4142645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 5951232

約数和(自身を除く): 1808587

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 163, 221, 299, 391, 815, 1105, 1495, 1955, 2119, 2771, 3749, 5083, 10595, 13855, 18745, 25415, 36023, 48737, 63733, 180115, 243685, 318665, 828529, 4142645]

約数ペア:

[(1, 4142645), (5, 828529), (13, 318665), (17, 243685), (23, 180115), (65, 63733), (85, 48737), (115, 36023), (163, 25415), (221, 18745), (299, 13855), (391, 10595), (815, 5083), (1105, 3749), (1495, 2771), (1955, 2119)]