251911426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 415134720

約数和(自身を除く): 163223294

約数列:

[1, 2, 13, 26, 103, 109, 206, 218, 863, 1339, 1417, 1726, 2678, 2834, 11219, 11227, 22438, 22454, 88889, 94067, 145951, 177778, 188134, 291902, 1155557, 1222871, 2311114, 2445742, 9688901, 19377802, 125955713, 251911426]

約数ペア:

[(1, 251911426), (2, 125955713), (13, 19377802), (26, 9688901), (103, 2445742), (109, 2311114), (206, 1222871), (218, 1155557), (863, 291902), (1339, 188134), (1417, 177778), (1726, 145951), (2678, 94067), (2834, 88889), (11219, 22454), (11227, 22438)]