258765275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6121}}^1$

素因数の和:6239

約数の個数: 24

約数和(自身を含む): 341607600

約数和(自身を除く): 82842325

約数列:

[1, 5, 19, 25, 89, 95, 445, 475, 1691, 2225, 6121, 8455, 30605, 42275, 116299, 153025, 544769, 581495, 2723845, 2907475, 10350611, 13619225, 51753055, 258765275]

約数ペア:

[(1, 258765275), (5, 51753055), (19, 13619225), (25, 10350611), (89, 2907475), (95, 2723845), (445, 581495), (475, 544769), (1691, 153025), (2225, 116299), (6121, 42275), (8455, 30605)]