664804535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 855695232

約数和(自身を除く): 190890697

約数列:

[1, 5, 23, 61, 97, 115, 305, 485, 977, 1403, 2231, 4885, 5917, 7015, 11155, 22471, 29585, 59597, 94769, 112355, 136091, 297985, 473845, 680455, 1370731, 2179687, 5780909, 6853655, 10898435, 28904545, 132960907, 664804535]

約数ペア:

[(1, 664804535), (5, 132960907), (23, 28904545), (61, 10898435), (97, 6853655), (115, 5780909), (305, 2179687), (485, 1370731), (977, 680455), (1403, 473845), (2231, 297985), (4885, 136091), (5917, 112355), (7015, 94769), (11155, 59597), (22471, 29585)]