521017592

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{7681}}^1$

素因数の和:7887

約数の個数: 32

約数和(自身を含む): 1000196400

約数和(自身を除く): 479178808

約数列:

[1, 2, 4, 8, 61, 122, 139, 244, 278, 488, 556, 1112, 7681, 8479, 15362, 16958, 30724, 33916, 61448, 67832, 468541, 937082, 1067659, 1874164, 2135318, 3748328, 4270636, 8541272, 65127199, 130254398, 260508796, 521017592]

約数ペア:

[(1, 521017592), (2, 260508796), (4, 130254398), (8, 65127199), (61, 8541272), (122, 4270636), (139, 3748328), (244, 2135318), (278, 1874164), (488, 1067659), (556, 937082), (1112, 468541), (7681, 67832), (8479, 61448), (15362, 33916), (16958, 30724)]