256446718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{709}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 431555040

約数和(自身を除く): 175108322

約数列:

[1, 2, 11, 22, 41, 82, 401, 451, 709, 802, 902, 1418, 4411, 7799, 8822, 15598, 16441, 29069, 32882, 58138, 180851, 284309, 319759, 361702, 568618, 639518, 3127399, 6254798, 11656669, 23313338, 128223359, 256446718]

約数ペア:

[(1, 256446718), (2, 128223359), (11, 23313338), (22, 11656669), (41, 6254798), (82, 3127399), (401, 639518), (451, 568618), (709, 361702), (802, 319759), (902, 284309), (1418, 180851), (4411, 58138), (7799, 32882), (8822, 29069), (15598, 16441)]