402797689

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{853}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 490674240

約数和(自身を除く): 87876551

約数列:

[1, 7, 23, 49, 161, 419, 853, 1127, 2933, 5971, 9637, 19619, 20531, 41797, 67459, 137333, 357407, 472213, 961331, 2501849, 8220361, 17512943, 57542527, 402797689]

約数ペア:

[(1, 402797689), (7, 57542527), (23, 17512943), (49, 8220361), (161, 2501849), (419, 961331), (853, 472213), (1127, 357407), (2933, 137333), (5971, 67459), (9637, 41797), (19619, 20531)]