81497388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 242694144

約数和(自身を除く): 161196756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 49, 51, 62, 68, 84, 93, 98, 102, 119, 124, 147, 186, 196, 204, 217, 238, 263, 294, 357, 372, 434, 476, 526, 527, 588, 651, 714, 789, 833, 868, 1052, 1054, 1302, 1428, 1519, 1578, 1581, 1666, 1841, 2108, 2499, 2604, 3038, 3156, 3162, 3332, 3682, 3689, 4471, 4557, 4998, 5523, 6076, 6324, 7364, 7378, 8153, 8942, 9114, 9996, 11046, 11067, 12887, 13413, 14756, 16306, 17884, 18228, 22092, 22134, 24459, 25774, 25823, 26826, 31297, 32612, 38661, 44268, 48918, 51548, 51646, 53652, 57071, 62594, 77322, 77469, 93891, 97836, 103292, 114142, 125188, 138601, 154644, 154938, 171213, 187782, 219079, 228284, 277202, 309876, 342426, 375564, 399497, 415803, 438158, 554404, 657237, 684852, 798994, 831606, 876316, 970207, 1198491, 1314474, 1597988, 1663212, 1940414, 2396982, 2628948, 2910621, 3880828, 4793964, 5821242, 6791449, 11642484, 13582898, 20374347, 27165796, 40748694, 81497388]

約数ペア:

[(1, 81497388), (2, 40748694), (3, 27165796), (4, 20374347), (6, 13582898), (7, 11642484), (12, 6791449), (14, 5821242), (17, 4793964), (21, 3880828), (28, 2910621), (31, 2628948), (34, 2396982), (42, 1940414), (49, 1663212), (51, 1597988), (62, 1314474), (68, 1198491), (84, 970207), (93, 876316), (98, 831606), (102, 798994), (119, 684852), (124, 657237), (147, 554404), (186, 438158), (196, 415803), (204, 399497), (217, 375564), (238, 342426), (263, 309876), (294, 277202), (357, 228284), (372, 219079), (434, 187782), (476, 171213), (526, 154938), (527, 154644), (588, 138601), (651, 125188), (714, 114142), (789, 103292), (833, 97836), (868, 93891), (1052, 77469), (1054, 77322), (1302, 62594), (1428, 57071), (1519, 53652), (1578, 51646), (1581, 51548), (1666, 48918), (1841, 44268), (2108, 38661), (2499, 32612), (2604, 31297), (3038, 26826), (3156, 25823), (3162, 25774), (3332, 24459), (3682, 22134), (3689, 22092), (4471, 18228), (4557, 17884), (4998, 16306), (5523, 14756), (6076, 13413), (6324, 12887), (7364, 11067), (7378, 11046), (8153, 9996), (8942, 9114)]