64120264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1553}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 129883320

約数和(自身を除く): 65763056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 397, 794, 1553, 1588, 3106, 3176, 5161, 6212, 10322, 12424, 20189, 20644, 40378, 41288, 80756, 161512, 616541, 1233082, 2466164, 4932328, 8015033, 16030066, 32060132, 64120264]

約数ペア:

[(1, 64120264), (2, 32060132), (4, 16030066), (8, 8015033), (13, 4932328), (26, 2466164), (52, 1233082), (104, 616541), (397, 161512), (794, 80756), (1553, 41288), (1588, 40378), (3106, 20644), (3176, 20189), (5161, 12424), (6212, 10322)]