15751388

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 12553252

約数列:

[1, 2, 4, 53, 106, 191, 212, 382, 389, 764, 778, 1556, 10123, 20246, 20617, 40492, 41234, 74299, 82468, 148598, 297196, 3937847, 7875694, 15751388]

約数ペア:

[(1, 15751388), (2, 7875694), (4, 3937847), (53, 297196), (106, 148598), (191, 82468), (212, 74299), (382, 41234), (389, 40492), (764, 20617), (778, 20246), (1556, 10123)]