31995472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 64495872

約数和(自身を除く): 32500400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 251, 257, 496, 502, 514, 1004, 1028, 2008, 2056, 4016, 4112, 7781, 7967, 15562, 15934, 31124, 31868, 62248, 63736, 64507, 124496, 127472, 129014, 258028, 516056, 1032112, 1999717, 3999434, 7998868, 15997736, 31995472]

約数ペア:

[(1, 31995472), (2, 15997736), (4, 7998868), (8, 3999434), (16, 1999717), (31, 1032112), (62, 516056), (124, 258028), (248, 129014), (251, 127472), (257, 124496), (496, 64507), (502, 63736), (514, 62248), (1004, 31868), (1028, 31124), (2008, 15934), (2056, 15562), (4016, 7967), (4112, 7781)]