199971499

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13649}}^1$

素因数の和:13699

約数の個数: 24

約数和(自身を含む): 261424800

約数和(自身を除く): 61453301

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 13649, 14651, 95543, 177437, 313927, 668801, 1242059, 2197489, 4081051, 8694413, 15382423, 28567357, 199971499]

約数ペア:

[(1, 199971499), (7, 28567357), (13, 15382423), (23, 8694413), (49, 4081051), (91, 2197489), (161, 1242059), (299, 668801), (637, 313927), (1127, 177437), (2093, 95543), (13649, 14651)]