220286521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{8999}}^1$

素因数の和:9288

約数の個数: 16

約数和(自身を含む): 272160000

約数和(自身を除く): 51873479

約数列:

[1, 7, 13, 91, 269, 1883, 3497, 8999, 24479, 62993, 116987, 818909, 2420731, 16945117, 31469503, 220286521]

約数ペア:

[(1, 220286521), (7, 31469503), (13, 16945117), (91, 2420731), (269, 818909), (1883, 116987), (3497, 62993), (8999, 24479)]