217638005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1163}}^1\times {\mathrm{2879}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 281594880

約数和(自身を除く): 63956875

約数列:

[1, 5, 13, 65, 1163, 2879, 5815, 14395, 15119, 37427, 75595, 187135, 3348277, 16741385, 43527601, 217638005]

約数ペア:

[(1, 217638005), (5, 43527601), (13, 16741385), (65, 3348277), (1163, 187135), (2879, 75595), (5815, 37427), (14395, 15119)]