308889136

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{138889}}^1$

素因数の和:139036

約数の個数: 20

約数和(自身を含む): 602782600

約数和(自身を除く): 293893464

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 138889, 277778, 555556, 1111112, 2222224, 19305571, 38611142, 77222284, 154444568, 308889136]

約数ペア:

[(1, 308889136), (2, 154444568), (4, 77222284), (8, 38611142), (16, 19305571), (139, 2222224), (278, 1111112), (556, 555556), (1112, 277778), (2224, 138889)]