28453925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 38167200

約数和(自身を除く): 9713275

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 1619, 3515, 8095, 17575, 30761, 40475, 59903, 153805, 299515, 769025, 1138157, 1497575, 5690785, 28453925]

約数ペア:

[(1, 28453925), (5, 5690785), (19, 1497575), (25, 1138157), (37, 769025), (95, 299515), (185, 153805), (475, 59903), (703, 40475), (925, 30761), (1619, 17575), (3515, 8095)]