12921296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 26188800

約数和(自身を除く): 13267504

約数列:

[1, 2, 4, 8, 16, 31, 62, 109, 124, 218, 239, 248, 436, 478, 496, 872, 956, 1744, 1912, 3379, 3824, 6758, 7409, 13516, 14818, 26051, 27032, 29636, 52102, 54064, 59272, 104204, 118544, 208408, 416816, 807581, 1615162, 3230324, 6460648, 12921296]

約数ペア:

[(1, 12921296), (2, 6460648), (4, 3230324), (8, 1615162), (16, 807581), (31, 416816), (62, 208408), (109, 118544), (124, 104204), (218, 59272), (239, 54064), (248, 52102), (436, 29636), (478, 27032), (496, 26051), (872, 14818), (956, 13516), (1744, 7409), (1912, 6758), (3379, 3824)]