388903912

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{6781}}^1$

素因数の和:6961

約数の個数: 32

約数和(自身を含む): 747105120

約数和(自身を除く): 358201208

約数列:

[1, 2, 4, 8, 67, 107, 134, 214, 268, 428, 536, 856, 6781, 7169, 13562, 14338, 27124, 28676, 54248, 57352, 454327, 725567, 908654, 1451134, 1817308, 2902268, 3634616, 5804536, 48612989, 97225978, 194451956, 388903912]

約数ペア:

[(1, 388903912), (2, 194451956), (4, 97225978), (8, 48612989), (67, 5804536), (107, 3634616), (134, 2902268), (214, 1817308), (268, 1451134), (428, 908654), (536, 725567), (856, 454327), (6781, 57352), (7169, 54248), (13562, 28676), (14338, 27124)]