1221178465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1\times {\mathrm{5351}}^1$

素因数の和:8880

約数の個数: 16

約数和(自身を含む): 1578882816

約数和(自身を除く): 357704351

約数列:

[1, 5, 13, 65, 3511, 5351, 17555, 26755, 45643, 69563, 228215, 347815, 18787361, 93936805, 244235693, 1221178465]

約数ペア:

[(1, 1221178465), (5, 244235693), (13, 93936805), (65, 18787361), (3511, 347815), (5351, 228215), (17555, 69563), (26755, 45643)]