86811625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 114656256

約数和(自身を除く): 27844631

約数列:

[1, 5, 25, 31, 43, 125, 155, 215, 521, 775, 1075, 1333, 2605, 3875, 5375, 6665, 13025, 16151, 22403, 33325, 65125, 80755, 112015, 166625, 403775, 560075, 694493, 2018875, 2800375, 3472465, 17362325, 86811625]

約数ペア:

[(1, 86811625), (5, 17362325), (25, 3472465), (31, 2800375), (43, 2018875), (125, 694493), (155, 560075), (215, 403775), (521, 166625), (775, 112015), (1075, 80755), (1333, 65125), (2605, 33325), (3875, 22403), (5375, 16151), (6665, 13025)]