31480748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 62469120

約数和(自身を除く): 30988372

約数列:

[1, 2, 4, 13, 26, 31, 52, 59, 62, 118, 124, 236, 331, 403, 662, 767, 806, 1324, 1534, 1612, 1829, 3068, 3658, 4303, 7316, 8606, 10261, 17212, 19529, 20522, 23777, 39058, 41044, 47554, 78116, 95108, 133393, 253877, 266786, 507754, 533572, 605399, 1015508, 1210798, 2421596, 7870187, 15740374, 31480748]

約数ペア:

[(1, 31480748), (2, 15740374), (4, 7870187), (13, 2421596), (26, 1210798), (31, 1015508), (52, 605399), (59, 533572), (62, 507754), (118, 266786), (124, 253877), (236, 133393), (331, 95108), (403, 78116), (662, 47554), (767, 41044), (806, 39058), (1324, 23777), (1534, 20522), (1612, 19529), (1829, 17212), (3068, 10261), (3658, 8606), (4303, 7316)]