64467728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5163

約数の個数: 40

約数和(自身を含む): 136746456

約数和(自身を除く): 72278728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 5081, 6344, 10162, 12688, 20324, 40648, 66053, 81296, 132106, 264212, 309941, 528424, 619882, 1056848, 1239764, 2479528, 4029233, 4959056, 8058466, 16116932, 32233864, 64467728]

約数ペア:

[(1, 64467728), (2, 32233864), (4, 16116932), (8, 8058466), (13, 4959056), (16, 4029233), (26, 2479528), (52, 1239764), (61, 1056848), (104, 619882), (122, 528424), (208, 309941), (244, 264212), (488, 132106), (793, 81296), (976, 66053), (1586, 40648), (3172, 20324), (5081, 12688), (6344, 10162)]