201617881375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{11909}}^1$

素因数の和:12229

約数の個数: 64

約数和(自身を含む): 276107719680

約数和(自身を除く): 74489838305

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 257, 425, 527, 775, 1285, 2125, 2635, 3875, 4369, 6425, 7967, 11909, 13175, 21845, 32125, 39835, 59545, 65875, 109225, 135439, 199175, 202453, 297725, 369179, 546125, 677195, 995875, 1012265, 1488625, 1845895, 3060613, 3385975, 5061325, 6276043, 9229475, 15303065, 16929875, 25306625, 31380215, 46147375, 52030421, 76515325, 94879003, 156901075, 260152105, 382576625, 474395015, 784505375, 1300760525, 1612943051, 2371975075, 6503802625, 8064715255, 11859875375, 40323576275, 201617881375]

約数ペア:

[(1, 201617881375), (5, 40323576275), (17, 11859875375), (25, 8064715255), (31, 6503802625), (85, 2371975075), (125, 1612943051), (155, 1300760525), (257, 784505375), (425, 474395015), (527, 382576625), (775, 260152105), (1285, 156901075), (2125, 94879003), (2635, 76515325), (3875, 52030421), (4369, 46147375), (6425, 31380215), (7967, 25306625), (11909, 16929875), (13175, 15303065), (21845, 9229475), (32125, 6276043), (39835, 5061325), (59545, 3385975), (65875, 3060613), (109225, 1845895), (135439, 1488625), (199175, 1012265), (202453, 995875), (297725, 677195), (369179, 546125)]