78661894

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{2207}}^1$

素因数の和:2531

約数の個数: 16

約数和(自身を含む): 120185856

約数和(自身を除く): 41523962

約数列:

[1, 2, 71, 142, 251, 502, 2207, 4414, 17821, 35642, 156697, 313394, 553957, 1107914, 39330947, 78661894]

約数ペア:

[(1, 78661894), (2, 39330947), (71, 1107914), (142, 553957), (251, 313394), (502, 156697), (2207, 35642), (4414, 17821)]