399023674

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{9203}}^1$

素因数の和:9394

約数の個数: 32

約数和(自身を含む): 724538880

約数和(自身を除く): 325515206

約数列:

[1, 2, 7, 14, 19, 38, 133, 163, 266, 326, 1141, 2282, 3097, 6194, 9203, 18406, 21679, 43358, 64421, 128842, 174857, 349714, 1223999, 1500089, 2447998, 3000178, 10500623, 21001246, 28501691, 57003382, 199511837, 399023674]

約数ペア:

[(1, 399023674), (2, 199511837), (7, 57003382), (14, 28501691), (19, 21001246), (38, 10500623), (133, 3000178), (163, 2447998), (266, 1500089), (326, 1223999), (1141, 349714), (2282, 174857), (3097, 128842), (6194, 64421), (9203, 43358), (18406, 21679)]