388635806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{2333}}^1$

素因数の和:2540

約数の個数: 32

約数和(自身を含む): 646984800

約数和(自身を除く): 258348994

約数列:

[1, 2, 13, 26, 43, 86, 149, 298, 559, 1118, 1937, 2333, 3874, 4666, 6407, 12814, 30329, 60658, 83291, 100319, 166582, 200638, 347617, 695234, 1304147, 2608294, 4519021, 9038042, 14947531, 29895062, 194317903, 388635806]

約数ペア:

[(1, 388635806), (2, 194317903), (13, 29895062), (26, 14947531), (43, 9038042), (86, 4519021), (149, 2608294), (298, 1304147), (559, 695234), (1118, 347617), (1937, 200638), (2333, 166582), (3874, 100319), (4666, 83291), (6407, 60658), (12814, 30329)]