1640606216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{27479}}^1$

素因数の和:27941

約数の個数: 32

約数和(自身を含む): 3264624000

約数和(自身を除く): 1624017784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 439, 878, 1756, 3512, 7463, 14926, 27479, 29852, 54958, 59704, 109916, 219832, 467143, 934286, 1868572, 3737144, 12063281, 24126562, 48253124, 96506248, 205075777, 410151554, 820303108, 1640606216]

約数ペア:

[(1, 1640606216), (2, 820303108), (4, 410151554), (8, 205075777), (17, 96506248), (34, 48253124), (68, 24126562), (136, 12063281), (439, 3737144), (878, 1868572), (1756, 934286), (3512, 467143), (7463, 219832), (14926, 109916), (27479, 59704), (29852, 54958)]