9991860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{691}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 28133952

約数和(自身を除く): 18142092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 691, 723, 964, 1205, 1382, 1446, 2073, 2410, 2764, 2892, 3455, 3615, 4146, 4820, 6910, 7230, 8292, 10365, 13820, 14460, 20730, 41460, 166531, 333062, 499593, 666124, 832655, 999186, 1665310, 1998372, 2497965, 3330620, 4995930, 9991860]

約数ペア:

[(1, 9991860), (2, 4995930), (3, 3330620), (4, 2497965), (5, 1998372), (6, 1665310), (10, 999186), (12, 832655), (15, 666124), (20, 499593), (30, 333062), (60, 166531), (241, 41460), (482, 20730), (691, 14460), (723, 13820), (964, 10365), (1205, 8292), (1382, 7230), (1446, 6910), (2073, 4820), (2410, 4146), (2764, 3615), (2892, 3455)]