74447807

素因数分解:

$7^4\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:436

約数の個数: 20

約数和(自身を含む): 87996216

約数和(自身を除く): 13548409

約数列:

[1, 7, 49, 101, 307, 343, 707, 2149, 2401, 4949, 15043, 31007, 34643, 105301, 217049, 242501, 737107, 1519343, 10635401, 74447807]

約数ペア:

[(1, 74447807), (7, 10635401), (49, 1519343), (101, 737107), (307, 242501), (343, 217049), (707, 105301), (2149, 34643), (2401, 31007), (4949, 15043)]