1564396490

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{211691}}^1$

素因数の和:212437

約数の個数: 16

約数和(自身を含む): 2819737440

約数和(自身を除く): 1255340950

約数列:

[1, 2, 5, 10, 739, 1478, 3695, 7390, 211691, 423382, 1058455, 2116910, 156439649, 312879298, 782198245, 1564396490]

約数ペア:

[(1, 1564396490), (2, 782198245), (5, 312879298), (10, 156439649), (739, 2116910), (1478, 1058455), (3695, 423382), (7390, 211691)]