195815425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1669}}^1$

素因数の和:1730

約数の個数: 36

約数和(自身を含む): 276141180

約数和(自身を除く): 80325755

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 361, 475, 1235, 1669, 1805, 4693, 6175, 8345, 9025, 21697, 23465, 31711, 41725, 108485, 117325, 158555, 412243, 542425, 602509, 792775, 2061215, 3012545, 7832617, 10306075, 15062725, 39163085, 195815425]

約数ペア:

[(1, 195815425), (5, 39163085), (13, 15062725), (19, 10306075), (25, 7832617), (65, 3012545), (95, 2061215), (247, 792775), (325, 602509), (361, 542425), (475, 412243), (1235, 158555), (1669, 117325), (1805, 108485), (4693, 41725), (6175, 31711), (8345, 23465), (9025, 21697)]