221474305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 297833760

約数和(自身を除く): 76359455

約数列:

[1, 5, 13, 29, 65, 145, 293, 377, 401, 1465, 1885, 2005, 3809, 5213, 8497, 11629, 19045, 26065, 42485, 58145, 110461, 117493, 151177, 552305, 587465, 755885, 1527409, 3407297, 7637045, 17036485, 44294861, 221474305]

約数ペア:

[(1, 221474305), (5, 44294861), (13, 17036485), (29, 7637045), (65, 3407297), (145, 1527409), (293, 755885), (377, 587465), (401, 552305), (1465, 151177), (1885, 117493), (2005, 110461), (3809, 58145), (5213, 42485), (8497, 26065), (11629, 19045)]