1238861566

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{64679}}^1$

素因数の和:64899

約数の個数: 16

約数和(自身を含む): 1900815840

約数和(自身を除く): 661954274

約数列:

[1, 2, 61, 122, 157, 314, 9577, 19154, 64679, 129358, 3945419, 7890838, 10154603, 20309206, 619430783, 1238861566]

約数ペア:

[(1, 1238861566), (2, 619430783), (61, 20309206), (122, 10154603), (157, 7890838), (314, 3945419), (9577, 129358), (19154, 64679)]