639202226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{30389}}^1$

素因数の和:31213

約数の個数: 16

約数和(自身を含む): 1033867800

約数和(自身を除く): 394665574

約数列:

[1, 2, 13, 26, 809, 1618, 10517, 21034, 30389, 60778, 395057, 790114, 24584701, 49169402, 319601113, 639202226]

約数ペア:

[(1, 639202226), (2, 319601113), (13, 49169402), (26, 24584701), (809, 790114), (1618, 395057), (10517, 60778), (21034, 30389)]