31430528

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 65369760

約数和(自身を除く): 33939232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 356, 496, 712, 992, 1424, 1984, 2759, 2848, 3968, 5518, 5696, 7921, 11036, 11392, 15842, 22072, 31684, 44144, 63368, 88288, 126736, 176576, 245551, 253472, 353152, 491102, 506944, 982204, 1013888, 1964408, 3928816, 7857632, 15715264, 31430528]

約数ペア:

[(1, 31430528), (2, 15715264), (4, 7857632), (8, 3928816), (16, 1964408), (31, 1013888), (32, 982204), (62, 506944), (64, 491102), (89, 353152), (124, 253472), (128, 245551), (178, 176576), (248, 126736), (356, 88288), (496, 63368), (712, 44144), (992, 31684), (1424, 22072), (1984, 15842), (2759, 11392), (2848, 11036), (3968, 7921), (5518, 5696)]