289807772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{30661}}^1$

素因数の和:30821

約数の個数: 24

約数和(自身を含む): 540877680

約数和(自身を除く): 251069908

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2363, 4726, 9452, 30661, 61322, 122644, 521237, 1042474, 2084948, 4261879, 8523758, 17047516, 72451943, 144903886, 289807772]

約数ペア:

[(1, 289807772), (2, 144903886), (4, 72451943), (17, 17047516), (34, 8523758), (68, 4261879), (139, 2084948), (278, 1042474), (556, 521237), (2363, 122644), (4726, 61322), (9452, 30661)]