305116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 647136

約数和(自身を除く): 342020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 641, 1282, 2564, 4487, 8974, 10897, 17948, 21794, 43588, 76279, 152558, 305116]

約数ペア:

[(1, 305116), (2, 152558), (4, 76279), (7, 43588), (14, 21794), (17, 17948), (28, 10897), (34, 8974), (68, 4487), (119, 2564), (238, 1282), (476, 641)]