256270405

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1\times {\mathrm{1723}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 311313024

約数和(自身を除く): 55042619

約数列:

[1, 5, 151, 197, 755, 985, 1723, 8615, 29747, 148735, 260173, 339431, 1300865, 1697155, 51254081, 256270405]

約数ペア:

[(1, 256270405), (5, 51254081), (151, 1697155), (197, 1300865), (755, 339431), (985, 260173), (1723, 148735), (8615, 29747)]