1969132555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{2437}}^1$

素因数の和:2887

約数の個数: 32

約数和(自身を含む): 2634444288

約数和(自身を除く): 665311733

約数列:

[1, 5, 13, 31, 65, 155, 401, 403, 2005, 2015, 2437, 5213, 12185, 12431, 26065, 31681, 62155, 75547, 158405, 161603, 377735, 808015, 977237, 982111, 4886185, 4910555, 12704081, 30294347, 63520405, 151471735, 393826511, 1969132555]

約数ペア:

[(1, 1969132555), (5, 393826511), (13, 151471735), (31, 63520405), (65, 30294347), (155, 12704081), (401, 4910555), (403, 4886185), (2005, 982111), (2015, 977237), (2437, 808015), (5213, 377735), (12185, 161603), (12431, 158405), (26065, 75547), (31681, 62155)]