257534732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 593080320

約数和(自身を除く): 335545588

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 31, 52, 58, 62, 91, 116, 124, 182, 203, 217, 364, 377, 403, 406, 434, 754, 787, 806, 812, 868, 899, 1508, 1574, 1612, 1798, 2639, 2821, 3148, 3596, 5278, 5509, 5642, 6293, 10231, 10556, 11018, 11284, 11687, 12586, 20462, 22036, 22823, 23374, 24397, 25172, 40924, 45646, 46748, 48794, 71617, 81809, 91292, 97588, 143234, 159761, 163618, 170779, 286468, 296699, 317161, 319522, 327236, 341558, 593398, 634322, 639044, 683116, 707513, 1186796, 1268644, 1415026, 2076893, 2220127, 2830052, 4153786, 4440254, 4952591, 8307572, 8880508, 9197669, 9905182, 18395338, 19810364, 36790676, 64383683, 128767366, 257534732]

約数ペア:

[(1, 257534732), (2, 128767366), (4, 64383683), (7, 36790676), (13, 19810364), (14, 18395338), (26, 9905182), (28, 9197669), (29, 8880508), (31, 8307572), (52, 4952591), (58, 4440254), (62, 4153786), (91, 2830052), (116, 2220127), (124, 2076893), (182, 1415026), (203, 1268644), (217, 1186796), (364, 707513), (377, 683116), (403, 639044), (406, 634322), (434, 593398), (754, 341558), (787, 327236), (806, 319522), (812, 317161), (868, 296699), (899, 286468), (1508, 170779), (1574, 163618), (1612, 159761), (1798, 143234), (2639, 97588), (2821, 91292), (3148, 81809), (3596, 71617), (5278, 48794), (5509, 46748), (5642, 45646), (6293, 40924), (10231, 25172), (10556, 24397), (11018, 23374), (11284, 22823), (11687, 22036), (12586, 20462)]