1285204826

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{1259}}^1\times {\mathrm{3251}}^1$

素因数の和:4669

約数の個数: 16

約数和(自身を含む): 1942224480

約数和(自身を除く): 657019654

約数列:

[1, 2, 157, 314, 1259, 2518, 3251, 6502, 197663, 395326, 510407, 1020814, 4093009, 8186018, 642602413, 1285204826]

約数ペア:

[(1, 1285204826), (2, 642602413), (157, 8186018), (314, 4093009), (1259, 1020814), (2518, 510407), (3251, 395326), (6502, 197663)]