25338495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 52577280

約数和(自身を除く): 27238785

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 105, 133, 195, 247, 273, 285, 399, 455, 665, 741, 977, 1235, 1365, 1729, 1995, 2931, 3705, 4885, 5187, 6839, 8645, 12701, 14655, 18563, 20517, 25935, 34195, 38103, 55689, 63505, 88907, 92815, 102585, 129941, 190515, 241319, 266721, 278445, 389823, 444535, 649705, 723957, 1206595, 1333605, 1689233, 1949115, 3619785, 5067699, 8446165, 25338495]

約数ペア:

[(1, 25338495), (3, 8446165), (5, 5067699), (7, 3619785), (13, 1949115), (15, 1689233), (19, 1333605), (21, 1206595), (35, 723957), (39, 649705), (57, 444535), (65, 389823), (91, 278445), (95, 266721), (105, 241319), (133, 190515), (195, 129941), (247, 102585), (273, 92815), (285, 88907), (399, 63505), (455, 55689), (665, 38103), (741, 34195), (977, 25935), (1235, 20517), (1365, 18563), (1729, 14655), (1995, 12701), (2931, 8645), (3705, 6839), (4885, 5187)]