61984975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:916

約数の個数: 36

約数和(自身を含む): 88226496

約数和(自身を除く): 26241521

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 863, 1105, 2873, 4225, 4315, 5525, 11219, 14365, 14671, 21575, 56095, 71825, 73355, 145847, 190723, 280475, 366775, 729235, 953615, 2479399, 3646175, 4768075, 12396995, 61984975]

約数ペア:

[(1, 61984975), (5, 12396995), (13, 4768075), (17, 3646175), (25, 2479399), (65, 953615), (85, 729235), (169, 366775), (221, 280475), (325, 190723), (425, 145847), (845, 73355), (863, 71825), (1105, 56095), (2873, 21575), (4225, 14671), (4315, 14365), (5525, 11219)]