206781625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 292571136

約数和(自身を除く): 85789511

約数列:

[1, 5, 17, 25, 31, 43, 73, 85, 125, 155, 215, 365, 425, 527, 731, 775, 1075, 1241, 1333, 1825, 2125, 2263, 2635, 3139, 3655, 3875, 5375, 6205, 6665, 9125, 11315, 13175, 15695, 18275, 22661, 31025, 33325, 38471, 53363, 56575, 65875, 78475, 91375, 97309, 113305, 155125, 166625, 192355, 266815, 282875, 392375, 486545, 566525, 961775, 1334075, 1654253, 2432725, 2832625, 4808875, 6670375, 8271265, 12163625, 41356325, 206781625]

約数ペア:

[(1, 206781625), (5, 41356325), (17, 12163625), (25, 8271265), (31, 6670375), (43, 4808875), (73, 2832625), (85, 2432725), (125, 1654253), (155, 1334075), (215, 961775), (365, 566525), (425, 486545), (527, 392375), (731, 282875), (775, 266815), (1075, 192355), (1241, 166625), (1333, 155125), (1825, 113305), (2125, 97309), (2263, 91375), (2635, 78475), (3139, 65875), (3655, 56575), (3875, 53363), (5375, 38471), (6205, 33325), (6665, 31025), (9125, 22661), (11315, 18275), (13175, 15695)]