71321018

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 117946368

約数和(自身を除く): 46625350

約数列:

[1, 2, 17, 31, 34, 62, 157, 314, 431, 527, 862, 1054, 2669, 4867, 5338, 7327, 9734, 13361, 14654, 26722, 67667, 82739, 135334, 165478, 227137, 454274, 1150339, 2097677, 2300678, 4195354, 35660509, 71321018]

約数ペア:

[(1, 71321018), (2, 35660509), (17, 4195354), (31, 2300678), (34, 2097677), (62, 1150339), (157, 454274), (314, 227137), (431, 165478), (527, 135334), (862, 82739), (1054, 67667), (2669, 26722), (4867, 14654), (5338, 13361), (7327, 9734)]