195864565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 269952480

約数和(自身を除く): 74087915

約数列:

[1, 5, 13, 17, 65, 85, 157, 221, 785, 1105, 1129, 2041, 2669, 5645, 10205, 13345, 14677, 19193, 34697, 73385, 95965, 173485, 177253, 249509, 886265, 1247545, 2304289, 3013301, 11521445, 15066505, 39172913, 195864565]

約数ペア:

[(1, 195864565), (5, 39172913), (13, 15066505), (17, 11521445), (65, 3013301), (85, 2304289), (157, 1247545), (221, 886265), (785, 249509), (1105, 177253), (1129, 173485), (2041, 95965), (2669, 73385), (5645, 34697), (10205, 19193), (13345, 14677)]