812968715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1\times {\mathrm{6263}}^1$

素因数の和:8278

約数の個数: 16

約数和(自身を含む): 1051299648

約数和(自身を除く): 238330933

約数列:

[1, 5, 13, 65, 1997, 6263, 9985, 25961, 31315, 81419, 129805, 407095, 12507211, 62536055, 162593743, 812968715]

約数ペア:

[(1, 812968715), (5, 162593743), (13, 62536055), (65, 12507211), (1997, 407095), (6263, 129805), (9985, 81419), (25961, 31315)]