28511810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 52989552

約数和(自身を除く): 24477742

約数列:

[1, 2, 5, 10, 41, 82, 197, 205, 353, 394, 410, 706, 985, 1765, 1970, 3530, 8077, 14473, 16154, 28946, 40385, 69541, 72365, 80770, 139082, 144730, 347705, 695410, 2851181, 5702362, 14255905, 28511810]

約数ペア:

[(1, 28511810), (2, 14255905), (5, 5702362), (10, 2851181), (41, 695410), (82, 347705), (197, 144730), (205, 139082), (353, 80770), (394, 72365), (410, 69541), (706, 40385), (985, 28946), (1765, 16154), (1970, 14473), (3530, 8077)]