312820145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2131}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 436565376

約数和(自身を除く): 123745231

約数列:

[1, 5, 11, 17, 55, 85, 157, 187, 785, 935, 1727, 2131, 2669, 8635, 10655, 13345, 23441, 29359, 36227, 117205, 146795, 181135, 334567, 398497, 1672835, 1992485, 3680237, 5687639, 18401185, 28438195, 62564029, 312820145]

約数ペア:

[(1, 312820145), (5, 62564029), (11, 28438195), (17, 18401185), (55, 5687639), (85, 3680237), (157, 1992485), (187, 1672835), (785, 398497), (935, 334567), (1727, 181135), (2131, 146795), (2669, 117205), (8635, 36227), (10655, 29359), (13345, 23441)]