77856155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 105356160

約数和(自身を除く): 27500005

約数列:

[1, 5, 13, 29, 65, 103, 145, 377, 401, 515, 1339, 1885, 2005, 2987, 5213, 6695, 11629, 14935, 26065, 38831, 41303, 58145, 151177, 194155, 206515, 536939, 755885, 1197787, 2684695, 5988935, 15571231, 77856155]

約数ペア:

[(1, 77856155), (5, 15571231), (13, 5988935), (29, 2684695), (65, 1197787), (103, 755885), (145, 536939), (377, 206515), (401, 194155), (515, 151177), (1339, 58145), (1885, 41303), (2005, 38831), (2987, 26065), (5213, 14935), (6695, 11629)]