64542890

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 118250496

約数和(自身を除く): 53707606

約数列:

[1, 2, 5, 10, 103, 206, 223, 281, 446, 515, 562, 1030, 1115, 1405, 2230, 2810, 22969, 28943, 45938, 57886, 62663, 114845, 125326, 144715, 229690, 289430, 313315, 626630, 6454289, 12908578, 32271445, 64542890]

約数ペア:

[(1, 64542890), (2, 32271445), (5, 12908578), (10, 6454289), (103, 626630), (206, 313315), (223, 289430), (281, 229690), (446, 144715), (515, 125326), (562, 114845), (1030, 62663), (1115, 57886), (1405, 45938), (2230, 28943), (2810, 22969)]