31228405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 12317195

約数列:

[1, 5, 13, 17, 59, 65, 85, 221, 295, 479, 767, 1003, 1105, 2395, 3835, 5015, 6227, 8143, 13039, 28261, 31135, 40715, 65195, 105859, 141305, 367393, 480437, 529295, 1836965, 2402185, 6245681, 31228405]

約数ペア:

[(1, 31228405), (5, 6245681), (13, 2402185), (17, 1836965), (59, 529295), (65, 480437), (85, 367393), (221, 141305), (295, 105859), (479, 65195), (767, 40715), (1003, 31135), (1105, 28261), (2395, 13039), (3835, 8143), (5015, 6227)]