145401775

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{16111}}^1$

素因数の和:16159

約数の個数: 18

約数和(自身を含む): 190298832

約数和(自身を除く): 44897057

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 16111, 80555, 306109, 402775, 1530545, 5816071, 7652725, 29080355, 145401775]

約数ペア:

[(1, 145401775), (5, 29080355), (19, 7652725), (25, 5816071), (95, 1530545), (361, 402775), (475, 306109), (1805, 80555), (9025, 16111)]