2786702984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{66821}}^1$

素因数の和:67241

約数の個数: 32

約数和(自身を含む): 5641113240

約数和(自身を除く): 2854410256

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 3208, 5213, 10426, 20852, 41704, 66821, 133642, 267284, 534568, 868673, 1737346, 3474692, 6949384, 26795221, 53590442, 107180884, 214361768, 348337873, 696675746, 1393351492, 2786702984]

約数ペア:

[(1, 2786702984), (2, 1393351492), (4, 696675746), (8, 348337873), (13, 214361768), (26, 107180884), (52, 53590442), (104, 26795221), (401, 6949384), (802, 3474692), (1604, 1737346), (3208, 868673), (5213, 534568), (10426, 267284), (20852, 133642), (41704, 66821)]