128420726

素因数分解:

$2^1\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{5701}}^1$

素因数の和:7319

約数の個数: 16

約数和(自身を含む): 220325280

約数和(自身を除く): 91904554

約数列:

[1, 2, 7, 14, 1609, 3218, 5701, 11263, 11402, 22526, 39907, 79814, 9172909, 18345818, 64210363, 128420726]

約数ペア:

[(1, 128420726), (2, 64210363), (7, 18345818), (14, 9172909), (1609, 79814), (3218, 39907), (5701, 22526), (11263, 11402)]