123657128

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{21863}}^1$

素因数の和:21977

約数の個数: 32

約数和(自身を含む): 267615360

約数和(自身を除く): 143958232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 21863, 43726, 87452, 153041, 174904, 306082, 612164, 1224328, 2208163, 4416326, 8832652, 15457141, 17665304, 30914282, 61828564, 123657128]

約数ペア:

[(1, 123657128), (2, 61828564), (4, 30914282), (7, 17665304), (8, 15457141), (14, 8832652), (28, 4416326), (56, 2208163), (101, 1224328), (202, 612164), (404, 306082), (707, 174904), (808, 153041), (1414, 87452), (2828, 43726), (5656, 21863)]