31570916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 62339760

約数和(自身を除く): 30768844

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 122, 148, 244, 269, 481, 538, 793, 962, 1076, 1586, 1924, 2257, 3172, 3497, 4514, 6994, 9028, 9953, 13988, 16409, 19906, 29341, 32818, 39812, 58682, 65636, 117364, 129389, 213317, 258778, 426634, 517556, 607133, 853268, 1214266, 2428532, 7892729, 15785458, 31570916]

約数ペア:

[(1, 31570916), (2, 15785458), (4, 7892729), (13, 2428532), (26, 1214266), (37, 853268), (52, 607133), (61, 517556), (74, 426634), (122, 258778), (148, 213317), (244, 129389), (269, 117364), (481, 65636), (538, 58682), (793, 39812), (962, 32818), (1076, 29341), (1586, 19906), (1924, 16409), (2257, 13988), (3172, 9953), (3497, 9028), (4514, 6994)]