16801855

素因数分解:

$5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 23990400

約数和(自身を除く): 7188545

約数列:

[1, 5, 7, 35, 49, 97, 101, 245, 343, 485, 505, 679, 707, 1715, 3395, 3535, 4753, 4949, 9797, 23765, 24745, 33271, 34643, 48985, 68579, 166355, 173215, 342895, 480053, 2400265, 3360371, 16801855]

約数ペア:

[(1, 16801855), (5, 3360371), (7, 2400265), (35, 480053), (49, 342895), (97, 173215), (101, 166355), (245, 68579), (343, 48985), (485, 34643), (505, 33271), (679, 24745), (707, 23765), (1715, 9797), (3395, 4949), (3535, 4753)]