4091984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 40

約数和(自身を含む): 8666112

約数和(自身を除く): 4574128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 191, 206, 208, 382, 412, 764, 824, 1339, 1528, 1648, 2483, 2678, 3056, 4966, 5356, 9932, 10712, 19673, 19864, 21424, 39346, 39728, 78692, 157384, 255749, 314768, 511498, 1022996, 2045992, 4091984]

約数ペア:

[(1, 4091984), (2, 2045992), (4, 1022996), (8, 511498), (13, 314768), (16, 255749), (26, 157384), (52, 78692), (103, 39728), (104, 39346), (191, 21424), (206, 19864), (208, 19673), (382, 10712), (412, 9932), (764, 5356), (824, 4966), (1339, 3056), (1528, 2678), (1648, 2483)]