15721836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3251}}^1$

素因数の和:3302

約数の個数: 48

約数和(自身を含む): 40793088

約数和(自身を除く): 25071252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3251, 4836, 6502, 9753, 13004, 19506, 39012, 42263, 84526, 100781, 126789, 169052, 201562, 253578, 302343, 403124, 507156, 604686, 1209372, 1310153, 2620306, 3930459, 5240612, 7860918, 15721836]

約数ペア:

[(1, 15721836), (2, 7860918), (3, 5240612), (4, 3930459), (6, 2620306), (12, 1310153), (13, 1209372), (26, 604686), (31, 507156), (39, 403124), (52, 302343), (62, 253578), (78, 201562), (93, 169052), (124, 126789), (156, 100781), (186, 84526), (372, 42263), (403, 39012), (806, 19506), (1209, 13004), (1612, 9753), (2418, 6502), (3251, 4836)]