215609521

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{5059}}^1$

素因数の和:5208

約数の個数: 16

約数和(自身を含む): 240451200

約数和(自身を除く): 24841679

約数列:

[1, 17, 23, 109, 391, 1853, 2507, 5059, 42619, 86003, 116357, 551431, 1978069, 9374327, 12682913, 215609521]

約数ペア:

[(1, 215609521), (17, 12682913), (23, 9374327), (109, 1978069), (391, 551431), (1853, 116357), (2507, 86003), (5059, 42619)]