161971656

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 192

約数和(自身を含む): 541728000

約数和(自身を除く): 379756344

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 19, 21, 22, 24, 28, 33, 38, 42, 44, 49, 56, 57, 66, 76, 77, 84, 88, 98, 114, 132, 133, 147, 152, 154, 168, 196, 209, 228, 231, 264, 266, 294, 308, 392, 399, 418, 456, 462, 532, 539, 588, 616, 627, 659, 798, 836, 924, 931, 1064, 1078, 1176, 1254, 1318, 1463, 1596, 1617, 1672, 1848, 1862, 1977, 2156, 2508, 2636, 2793, 2926, 3192, 3234, 3724, 3954, 4312, 4389, 4613, 5016, 5272, 5586, 5852, 6468, 7249, 7448, 7908, 8778, 9226, 10241, 11172, 11704, 12521, 12936, 13839, 14498, 15816, 17556, 18452, 20482, 21747, 22344, 25042, 27678, 28996, 30723, 32291, 35112, 36904, 37563, 40964, 43494, 50084, 50743, 55356, 57992, 61446, 64582, 75126, 81928, 86988, 87647, 96873, 100168, 101486, 110712, 122892, 129164, 137731, 150252, 152229, 173976, 175294, 193746, 202972, 245784, 258328, 262941, 275462, 300504, 304458, 350588, 355201, 387492, 405944, 413193, 525882, 550924, 608916, 613529, 701176, 710402, 774984, 826386, 964117, 1051764, 1065603, 1101848, 1217832, 1227058, 1420804, 1652772, 1840587, 1928234, 2103528, 2131206, 2454116, 2841608, 2892351, 3305544, 3681174, 3856468, 4262412, 4908232, 5784702, 6748819, 7362348, 7712936, 8524824, 11569404, 13497638, 14724696, 20246457, 23138808, 26995276, 40492914, 53990552, 80985828, 161971656]

約数ペア:

[(1, 161971656), (2, 80985828), (3, 53990552), (4, 40492914), (6, 26995276), (7, 23138808), (8, 20246457), (11, 14724696), (12, 13497638), (14, 11569404), (19, 8524824), (21, 7712936), (22, 7362348), (24, 6748819), (28, 5784702), (33, 4908232), (38, 4262412), (42, 3856468), (44, 3681174), (49, 3305544), (56, 2892351), (57, 2841608), (66, 2454116), (76, 2131206), (77, 2103528), (84, 1928234), (88, 1840587), (98, 1652772), (114, 1420804), (132, 1227058), (133, 1217832), (147, 1101848), (152, 1065603), (154, 1051764), (168, 964117), (196, 826386), (209, 774984), (228, 710402), (231, 701176), (264, 613529), (266, 608916), (294, 550924), (308, 525882), (392, 413193), (399, 405944), (418, 387492), (456, 355201), (462, 350588), (532, 304458), (539, 300504), (588, 275462), (616, 262941), (627, 258328), (659, 245784), (798, 202972), (836, 193746), (924, 175294), (931, 173976), (1064, 152229), (1078, 150252), (1176, 137731), (1254, 129164), (1318, 122892), (1463, 110712), (1596, 101486), (1617, 100168), (1672, 96873), (1848, 87647), (1862, 86988), (1977, 81928), (2156, 75126), (2508, 64582), (2636, 61446), (2793, 57992), (2926, 55356), (3192, 50743), (3234, 50084), (3724, 43494), (3954, 40964), (4312, 37563), (4389, 36904), (4613, 35112), (5016, 32291), (5272, 30723), (5586, 28996), (5852, 27678), (6468, 25042), (7249, 22344), (7448, 21747), (7908, 20482), (8778, 18452), (9226, 17556), (10241, 15816), (11172, 14498), (11704, 13839), (12521, 12936)]