871866530

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1718

約数の個数: 32

約数和(自身を含む): 1583778096

約数和(自身を除く): 711911566

約数列:

[1, 2, 5, 10, 157, 314, 557, 785, 997, 1114, 1570, 1994, 2785, 4985, 5570, 9970, 87449, 156529, 174898, 313058, 437245, 555329, 782645, 874490, 1110658, 1565290, 2776645, 5553290, 87186653, 174373306, 435933265, 871866530]

約数ペア:

[(1, 871866530), (2, 435933265), (5, 174373306), (10, 87186653), (157, 5553290), (314, 2776645), (557, 1565290), (785, 1110658), (997, 874490), (1114, 782645), (1570, 555329), (1994, 437245), (2785, 313058), (4985, 174898), (5570, 156529), (9970, 87449)]