280401878312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{3217}}^1\times {\mathrm{640901}}^1$

素因数の和:644141

約数の個数: 32

約数和(自身を含む): 556854111720

約数和(自身を除く): 276452233408

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 3217, 6434, 12868, 25736, 54689, 109378, 218756, 437512, 640901, 1281802, 2563604, 5127208, 10895317, 21790634, 43581268, 87162536, 2061778517, 4123557034, 8247114068, 16494228136, 35050234789, 70100469578, 140200939156, 280401878312]

約数ペア:

[(1, 280401878312), (2, 140200939156), (4, 70100469578), (8, 35050234789), (17, 16494228136), (34, 8247114068), (68, 4123557034), (136, 2061778517), (3217, 87162536), (6434, 43581268), (12868, 21790634), (25736, 10895317), (54689, 5127208), (109378, 2563604), (218756, 1281802), (437512, 640901)]