74981972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{13229}}^1$

素因数の和:13355

約数の個数: 24

約数和(自身を含む): 142619400

約数和(自身を除く): 67637428

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 13229, 26458, 52916, 171977, 343954, 687908, 1441961, 2883922, 5767844, 18745493, 37490986, 74981972]

約数ペア:

[(1, 74981972), (2, 37490986), (4, 18745493), (13, 5767844), (26, 2883922), (52, 1441961), (109, 687908), (218, 343954), (436, 171977), (1417, 52916), (2834, 26458), (5668, 13229)]