2021799254425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{616783}}^1$

素因数の和:616982

約数の個数: 48

約数和(自身を含む): 2704375797760

約数和(自身を除く): 682576543335

約数列:

[1, 5, 19, 25, 67, 95, 103, 335, 475, 515, 1273, 1675, 1957, 2575, 6365, 6901, 9785, 31825, 34505, 48925, 131119, 172525, 616783, 655595, 3083915, 3277975, 11718877, 15419575, 41324461, 58594385, 63528649, 206622305, 292971925, 317643245, 785164759, 1033111525, 1207044331, 1588216225, 3925823795, 4256419483, 6035221655, 19629118975, 21282097415, 30176108275, 80871970177, 106410487075, 404359850885, 2021799254425]

約数ペア:

[(1, 2021799254425), (5, 404359850885), (19, 106410487075), (25, 80871970177), (67, 30176108275), (95, 21282097415), (103, 19629118975), (335, 6035221655), (475, 4256419483), (515, 3925823795), (1273, 1588216225), (1675, 1207044331), (1957, 1033111525), (2575, 785164759), (6365, 317643245), (6901, 292971925), (9785, 206622305), (31825, 63528649), (34505, 58594385), (48925, 41324461), (131119, 15419575), (172525, 11718877), (616783, 3277975), (655595, 3083915)]