287122516

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{18131}}^1$

素因数の和:18279

約数の個数: 24

約数和(自身を含む): 520896096

約数和(自身を除く): 233773580

約数列:

[1, 2, 4, 37, 74, 107, 148, 214, 428, 3959, 7918, 15836, 18131, 36262, 72524, 670847, 1341694, 1940017, 2683388, 3880034, 7760068, 71780629, 143561258, 287122516]

約数ペア:

[(1, 287122516), (2, 143561258), (4, 71780629), (37, 7760068), (74, 3880034), (107, 2683388), (148, 1940017), (214, 1341694), (428, 670847), (3959, 72524), (7918, 36262), (15836, 18131)]