87441991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{6449}}^1$

素因数の和:6618

約数の個数: 16

約数和(自身を含む): 108360000

約数和(自身を除く): 20918009

約数列:

[1, 7, 13, 91, 149, 1043, 1937, 6449, 13559, 45143, 83837, 586859, 960901, 6726307, 12491713, 87441991]

約数ペア:

[(1, 87441991), (7, 12491713), (13, 6726307), (91, 960901), (149, 586859), (1043, 83837), (1937, 45143), (6449, 13559)]