214622915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 285659136

約数和(自身を除く): 71036221

約数列:

[1, 5, 13, 47, 65, 163, 235, 431, 611, 815, 2119, 2155, 3055, 5603, 7661, 10595, 20257, 28015, 38305, 70253, 99593, 101285, 263341, 351265, 497965, 913289, 1316705, 3301891, 4566445, 16509455, 42924583, 214622915]

約数ペア:

[(1, 214622915), (5, 42924583), (13, 16509455), (47, 4566445), (65, 3301891), (163, 1316705), (235, 913289), (431, 497965), (611, 351265), (815, 263341), (2119, 101285), (2155, 99593), (3055, 70253), (5603, 38305), (7661, 28015), (10595, 20257)]