74781988

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2207}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 134652672

約数和(自身を除く): 59870684

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 788, 2207, 4414, 8471, 8828, 16942, 33884, 94901, 189802, 379604, 434779, 869558, 1739116, 18695497, 37390994, 74781988]

約数ペア:

[(1, 74781988), (2, 37390994), (4, 18695497), (43, 1739116), (86, 869558), (172, 434779), (197, 379604), (394, 189802), (788, 94901), (2207, 33884), (4414, 16942), (8471, 8828)]