77381825

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 98412600

約数和(自身を除く): 21030775

約数列:

[1, 5, 25, 73, 109, 365, 389, 545, 1825, 1945, 2725, 7957, 9725, 28397, 39785, 42401, 141985, 198925, 212005, 709925, 1060025, 3095273, 15476365, 77381825]

約数ペア:

[(1, 77381825), (5, 15476365), (25, 3095273), (73, 1060025), (109, 709925), (365, 212005), (389, 198925), (545, 141985), (1825, 42401), (1945, 39785), (2725, 28397), (7957, 9725)]