77886284

素因数分解:

$2^2\times 7^2\times {\mathrm{397379}}^1$

素因数の和:397397

約数の個数: 18

約数和(自身を含む): 158554620

約数和(自身を除く): 80668336

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397379, 794758, 1589516, 2781653, 5563306, 11126612, 19471571, 38943142, 77886284]

約数ペア:

[(1, 77886284), (2, 38943142), (4, 19471571), (7, 11126612), (14, 5563306), (28, 2781653), (49, 1589516), (98, 794758), (196, 397379)]