81793404

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1600

約数の個数: 144

約数和(自身を含む): 271514880

約数和(自身を除く): 189721476

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 266, 308, 342, 396, 399, 418, 462, 532, 627, 684, 693, 798, 836, 924, 1197, 1254, 1386, 1463, 1553, 1596, 1881, 2394, 2508, 2772, 2926, 3106, 3762, 4389, 4659, 4788, 5852, 6212, 7524, 8778, 9318, 10871, 13167, 13977, 17083, 17556, 18636, 21742, 26334, 27954, 29507, 32613, 34166, 43484, 51249, 52668, 55908, 59014, 65226, 68332, 88521, 97839, 102498, 118028, 119581, 130452, 153747, 177042, 195678, 204996, 206549, 239162, 265563, 307494, 324577, 354084, 358743, 391356, 413098, 478324, 531126, 614988, 619647, 649154, 717486, 826196, 973731, 1062252, 1076229, 1239294, 1298308, 1434972, 1858941, 1947462, 2152458, 2272039, 2478588, 2921193, 3717882, 3894924, 4304916, 4544078, 5842386, 6816117, 7435764, 9088156, 11684772, 13632234, 20448351, 27264468, 40896702, 81793404]

約数ペア:

[(1, 81793404), (2, 40896702), (3, 27264468), (4, 20448351), (6, 13632234), (7, 11684772), (9, 9088156), (11, 7435764), (12, 6816117), (14, 5842386), (18, 4544078), (19, 4304916), (21, 3894924), (22, 3717882), (28, 2921193), (33, 2478588), (36, 2272039), (38, 2152458), (42, 1947462), (44, 1858941), (57, 1434972), (63, 1298308), (66, 1239294), (76, 1076229), (77, 1062252), (84, 973731), (99, 826196), (114, 717486), (126, 649154), (132, 619647), (133, 614988), (154, 531126), (171, 478324), (198, 413098), (209, 391356), (228, 358743), (231, 354084), (252, 324577), (266, 307494), (308, 265563), (342, 239162), (396, 206549), (399, 204996), (418, 195678), (462, 177042), (532, 153747), (627, 130452), (684, 119581), (693, 118028), (798, 102498), (836, 97839), (924, 88521), (1197, 68332), (1254, 65226), (1386, 59014), (1463, 55908), (1553, 52668), (1596, 51249), (1881, 43484), (2394, 34166), (2508, 32613), (2772, 29507), (2926, 27954), (3106, 26334), (3762, 21742), (4389, 18636), (4659, 17556), (4788, 17083), (5852, 13977), (6212, 13167), (7524, 10871), (8778, 9318)]