31972408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 36410312

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 188, 211, 248, 376, 403, 422, 611, 806, 844, 1222, 1457, 1612, 1688, 2444, 2743, 2914, 3224, 4888, 5486, 5828, 6541, 9917, 10972, 11656, 13082, 18941, 19834, 21944, 26164, 37882, 39668, 52328, 75764, 79336, 85033, 128921, 151528, 170066, 257842, 307427, 340132, 515684, 614854, 680264, 1031368, 1229708, 2459416, 3996551, 7993102, 15986204, 31972408]

約数ペア:

[(1, 31972408), (2, 15986204), (4, 7993102), (8, 3996551), (13, 2459416), (26, 1229708), (31, 1031368), (47, 680264), (52, 614854), (62, 515684), (94, 340132), (104, 307427), (124, 257842), (188, 170066), (211, 151528), (248, 128921), (376, 85033), (403, 79336), (422, 75764), (611, 52328), (806, 39668), (844, 37882), (1222, 26164), (1457, 21944), (1612, 19834), (1688, 18941), (2444, 13082), (2743, 11656), (2914, 10972), (3224, 9917), (4888, 6541), (5486, 5828)]