255216

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:433

約数の個数: 40

約数和(自身を含む): 711760

約数和(自身を除く): 456544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 409, 624, 818, 1227, 1636, 2454, 3272, 4908, 5317, 6544, 9816, 10634, 15951, 19632, 21268, 31902, 42536, 63804, 85072, 127608, 255216]

約数ペア:

[(1, 255216), (2, 127608), (3, 85072), (4, 63804), (6, 42536), (8, 31902), (12, 21268), (13, 19632), (16, 15951), (24, 10634), (26, 9816), (39, 6544), (48, 5317), (52, 4908), (78, 3272), (104, 2454), (156, 1636), (208, 1227), (312, 818), (409, 624)]