256251216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{410659}}^1$

素因数の和:410683

約数の個数: 40

約数和(自身を含む): 712905760

約数和(自身を除く): 456654544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 410659, 821318, 1231977, 1642636, 2463954, 3285272, 4927908, 5338567, 6570544, 9855816, 10677134, 16015701, 19711632, 21354268, 32031402, 42708536, 64062804, 85417072, 128125608, 256251216]

約数ペア:

[(1, 256251216), (2, 128125608), (3, 85417072), (4, 64062804), (6, 42708536), (8, 32031402), (12, 21354268), (13, 19711632), (16, 16015701), (24, 10677134), (26, 9855816), (39, 6570544), (48, 5338567), (52, 4927908), (78, 3285272), (104, 2463954), (156, 1642636), (208, 1231977), (312, 821318), (624, 410659)]