28688972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6199}}^1$

素因数の和:6305

約数の個数: 24

約数和(自身を含む): 54684000

約数和(自身を除く): 25995028

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 6199, 12398, 24796, 80587, 161174, 322348, 551711, 1103422, 2206844, 7172243, 14344486, 28688972]

約数ペア:

[(1, 28688972), (2, 14344486), (4, 7172243), (13, 2206844), (26, 1103422), (52, 551711), (89, 322348), (178, 161174), (356, 80587), (1157, 24796), (2314, 12398), (4628, 6199)]