166402775

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 267933744

約数和(自身を除く): 101530969

約数列:

[1, 5, 7, 11, 25, 35, 49, 53, 55, 77, 175, 233, 245, 265, 275, 371, 385, 539, 583, 1165, 1225, 1325, 1631, 1855, 1925, 2563, 2597, 2695, 2915, 4081, 5825, 8155, 9275, 11417, 12349, 12815, 12985, 13475, 14575, 17941, 20405, 28567, 40775, 57085, 61745, 64075, 64925, 86443, 89705, 102025, 125587, 135839, 142835, 285425, 308725, 432215, 448525, 605101, 627935, 679195, 714175, 950873, 2161075, 3025505, 3139675, 3395975, 4754365, 6656111, 15127525, 23771825, 33280555, 166402775]

約数ペア:

[(1, 166402775), (5, 33280555), (7, 23771825), (11, 15127525), (25, 6656111), (35, 4754365), (49, 3395975), (53, 3139675), (55, 3025505), (77, 2161075), (175, 950873), (233, 714175), (245, 679195), (265, 627935), (275, 605101), (371, 448525), (385, 432215), (539, 308725), (583, 285425), (1165, 142835), (1225, 135839), (1325, 125587), (1631, 102025), (1855, 89705), (1925, 86443), (2563, 64925), (2597, 64075), (2695, 61745), (2915, 57085), (4081, 40775), (5825, 28567), (8155, 20405), (9275, 17941), (11417, 14575), (12349, 13475), (12815, 12985)]