215684622

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 474748560

約数和(自身を除く): 259063938

約数列:

[1, 2, 3, 6, 9, 18, 109, 211, 218, 327, 422, 521, 633, 654, 981, 1042, 1266, 1563, 1899, 1962, 3126, 3798, 4689, 9378, 22999, 45998, 56789, 68997, 109931, 113578, 137994, 170367, 206991, 219862, 329793, 340734, 413982, 511101, 659586, 989379, 1022202, 1978758, 11982479, 23964958, 35947437, 71894874, 107842311, 215684622]

約数ペア:

[(1, 215684622), (2, 107842311), (3, 71894874), (6, 35947437), (9, 23964958), (18, 11982479), (109, 1978758), (211, 1022202), (218, 989379), (327, 659586), (422, 511101), (521, 413982), (633, 340734), (654, 329793), (981, 219862), (1042, 206991), (1266, 170367), (1563, 137994), (1899, 113578), (1962, 109931), (3126, 68997), (3798, 56789), (4689, 45998), (9378, 22999)]