257108930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53453}}^1$

素因数の和:53510

約数の個数: 32

約数和(自身を含む): 511875504

約数和(自身を除く): 254766574

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 53453, 106906, 267265, 534530, 694889, 1389778, 1977761, 3474445, 3955522, 6948890, 9888805, 19777610, 25710893, 51421786, 128554465, 257108930]

約数ペア:

[(1, 257108930), (2, 128554465), (5, 51421786), (10, 25710893), (13, 19777610), (26, 9888805), (37, 6948890), (65, 3955522), (74, 3474445), (130, 1977761), (185, 1389778), (370, 694889), (481, 534530), (962, 267265), (2405, 106906), (4810, 53453)]