642605831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{23581}}^1$

素因数の和:23834

約数の個数: 16

約数和(自身を含む): 781035840

約数和(自身を除く): 138430009

約数列:

[1, 7, 17, 119, 229, 1603, 3893, 23581, 27251, 165067, 400877, 2806139, 5400049, 37800343, 91800833, 642605831]

約数ペア:

[(1, 642605831), (7, 91800833), (17, 37800343), (119, 5400049), (229, 2806139), (1603, 400877), (3893, 165067), (23581, 27251)]