81190390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{797}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 149615424

約数和(自身を除く): 68425034

約数列:

[1, 2, 5, 10, 61, 122, 167, 305, 334, 610, 797, 835, 1594, 1670, 3985, 7970, 10187, 20374, 48617, 50935, 97234, 101870, 133099, 243085, 266198, 486170, 665495, 1330990, 8119039, 16238078, 40595195, 81190390]

約数ペア:

[(1, 81190390), (2, 40595195), (5, 16238078), (10, 8119039), (61, 1330990), (122, 665495), (167, 486170), (305, 266198), (334, 243085), (610, 133099), (797, 101870), (835, 97234), (1594, 50935), (1670, 48617), (3985, 20374), (7970, 10187)]