66738425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 94421040

約数和(自身を除く): 27682615

約数列:

[1, 5, 13, 25, 29, 65, 73, 97, 145, 325, 365, 377, 485, 725, 949, 1261, 1825, 1885, 2117, 2425, 2813, 4745, 6305, 7081, 9425, 10585, 14065, 23725, 27521, 31525, 35405, 36569, 52925, 70325, 92053, 137605, 177025, 182845, 205349, 460265, 688025, 914225, 1026745, 2301325, 2669537, 5133725, 13347685, 66738425]

約数ペア:

[(1, 66738425), (5, 13347685), (13, 5133725), (25, 2669537), (29, 2301325), (65, 1026745), (73, 914225), (97, 688025), (145, 460265), (325, 205349), (365, 182845), (377, 177025), (485, 137605), (725, 92053), (949, 70325), (1261, 52925), (1825, 36569), (1885, 35405), (2117, 31525), (2425, 27521), (2813, 23725), (4745, 14065), (6305, 10585), (7081, 9425)]