17990198785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3109801}}^1$

素因数の和:3109908

約数の個数: 16

約数和(自身を含む): 23510103120

約数和(自身を除く): 5519904335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 3109801, 15549005, 40427413, 202137065, 276772289, 1383861445, 3598039757, 17990198785]

約数ペア:

[(1, 17990198785), (5, 3598039757), (13, 1383861445), (65, 276772289), (89, 202137065), (445, 40427413), (1157, 15549005), (5785, 3109801)]