259509890

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1\times {\mathrm{821}}^1$

素因数の和:1334

約数の個数: 32

約数和(自身を含む): 475188336

約数和(自身を除く): 215678446

約数列:

[1, 2, 5, 10, 73, 146, 365, 433, 730, 821, 866, 1642, 2165, 4105, 4330, 8210, 31609, 59933, 63218, 119866, 158045, 299665, 316090, 355493, 599330, 710986, 1777465, 3554930, 25950989, 51901978, 129754945, 259509890]

約数ペア:

[(1, 259509890), (2, 129754945), (5, 51901978), (10, 25950989), (73, 3554930), (146, 1777465), (365, 710986), (433, 599330), (730, 355493), (821, 316090), (866, 299665), (1642, 158045), (2165, 119866), (4105, 63218), (4330, 59933), (8210, 31609)]