129243970

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 235892736

約数和(自身を除く): 106648766

約数列:

[1, 2, 5, 10, 157, 191, 314, 382, 431, 785, 862, 955, 1570, 1910, 2155, 4310, 29987, 59974, 67667, 82321, 135334, 149935, 164642, 299870, 338335, 411605, 676670, 823210, 12924397, 25848794, 64621985, 129243970]

約数ペア:

[(1, 129243970), (2, 64621985), (5, 25848794), (10, 12924397), (157, 823210), (191, 676670), (314, 411605), (382, 338335), (431, 299870), (785, 164642), (862, 149935), (955, 135334), (1570, 82321), (1910, 67667), (2155, 59974), (4310, 29987)]