61212385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 82188288

約数和(自身を除く): 20975903

約数列:

[1, 5, 13, 41, 65, 103, 205, 223, 515, 533, 1115, 1339, 2665, 2899, 4223, 6695, 9143, 14495, 21115, 22969, 45715, 54899, 114845, 118859, 274495, 298597, 594295, 941729, 1492985, 4708645, 12242477, 61212385]

約数ペア:

[(1, 61212385), (5, 12242477), (13, 4708645), (41, 1492985), (65, 941729), (103, 594295), (205, 298597), (223, 274495), (515, 118859), (533, 114845), (1115, 54899), (1339, 45715), (2665, 22969), (2899, 21115), (4223, 14495), (6695, 9143)]