15986204

素因数分解:

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

素因数の和:306

約数の個数: 48

約数和(自身を含む): 31911936

約数和(自身を除く): 15925732

約数列:

[1, 2, 4, 13, 26, 31, 47, 52, 62, 94, 124, 188, 211, 403, 422, 611, 806, 844, 1222, 1457, 1612, 2444, 2743, 2914, 5486, 5828, 6541, 9917, 10972, 13082, 18941, 19834, 26164, 37882, 39668, 75764, 85033, 128921, 170066, 257842, 307427, 340132, 515684, 614854, 1229708, 3996551, 7993102, 15986204]

約数ペア:

[(1, 15986204), (2, 7993102), (4, 3996551), (13, 1229708), (26, 614854), (31, 515684), (47, 340132), (52, 307427), (62, 257842), (94, 170066), (124, 128921), (188, 85033), (211, 75764), (403, 39668), (422, 37882), (611, 26164), (806, 19834), (844, 18941), (1222, 13082), (1457, 10972), (1612, 9917), (2444, 6541), (2743, 5828), (2914, 5486)]