42438205

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 55436832

約数和(自身を除く): 12998627

約数列:

[1, 5, 17, 43, 85, 215, 289, 683, 731, 1445, 3415, 3655, 11611, 12427, 29369, 58055, 62135, 146845, 197387, 499273, 986935, 2496365, 8487641, 42438205]

約数ペア:

[(1, 42438205), (5, 8487641), (17, 2496365), (43, 986935), (85, 499273), (215, 197387), (289, 146845), (683, 62135), (731, 58055), (1445, 29369), (3415, 12427), (3655, 11611)]