157020040723

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{18961483}}^1$

素因数の和:18961523

約数の個数: 18

約数和(自身を含む): 197787239604

約数和(自身を除く): 40767198881

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 18961483, 132730381, 246499279, 929112667, 1725494953, 3204490627, 12078464671, 22431434389, 157020040723]

約数ペア:

[(1, 157020040723), (7, 22431434389), (13, 12078464671), (49, 3204490627), (91, 1725494953), (169, 929112667), (637, 246499279), (1183, 132730381), (8281, 18961483)]