42902005

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 52412400

約数和(自身を除く): 9510395

約数列:

[1, 5, 89, 229, 421, 445, 1145, 2105, 20381, 37469, 96409, 101905, 187345, 482045, 8580401, 42902005]

約数ペア:

[(1, 42902005), (5, 8580401), (89, 482045), (229, 187345), (421, 101905), (445, 96409), (1145, 37469), (2105, 20381)]