40438994

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{1213}}^1$

素因数の和:1505

約数の個数: 16

約数和(自身を含む): 61768320

約数和(自身を除く): 21329326

約数列:

[1, 2, 79, 158, 211, 422, 1213, 2426, 16669, 33338, 95827, 191654, 255943, 511886, 20219497, 40438994]

約数ペア:

[(1, 40438994), (2, 20219497), (79, 511886), (158, 255943), (211, 191654), (422, 95827), (1213, 33338), (2426, 16669)]