26403728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 56022456

約数和(自身を除く): 29618728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2081, 3172, 4162, 6344, 8324, 12688, 16648, 27053, 33296, 54106, 108212, 126941, 216424, 253882, 432848, 507764, 1015528, 1650233, 2031056, 3300466, 6600932, 13201864, 26403728]

約数ペア:

[(1, 26403728), (2, 13201864), (4, 6600932), (8, 3300466), (13, 2031056), (16, 1650233), (26, 1015528), (52, 507764), (61, 432848), (104, 253882), (122, 216424), (208, 126941), (244, 108212), (488, 54106), (793, 33296), (976, 27053), (1586, 16648), (2081, 12688), (3172, 8324), (4162, 6344)]