28343287

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 33244992

約数和(自身を除く): 4901705

約数列:

[1, 7, 53, 241, 317, 371, 1687, 2219, 12773, 16801, 76397, 89411, 117607, 534779, 4049041, 28343287]

約数ペア:

[(1, 28343287), (7, 4049041), (53, 534779), (241, 117607), (317, 89411), (371, 76397), (1687, 16801), (2219, 12773)]