400156928

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{50423}}^1$

素因数の和:50470

約数の個数: 36

約数和(自身を含む): 824533248

約数和(自身を除く): 424376320

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 50423, 100846, 201692, 403384, 806768, 1563113, 1613536, 3126226, 3227072, 6252452, 6454144, 12504904, 12908288, 25009808, 50019616, 100039232, 200078464, 400156928]

約数ペア:

[(1, 400156928), (2, 200078464), (4, 100039232), (8, 50019616), (16, 25009808), (31, 12908288), (32, 12504904), (62, 6454144), (64, 6252452), (124, 3227072), (128, 3126226), (248, 1613536), (256, 1563113), (496, 806768), (992, 403384), (1984, 201692), (3968, 100846), (7936, 50423)]