81256552

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{60101}}^1$

素因数の和:60133

約数の個数: 24

約数和(自身を含む): 164979990

約数和(自身を除く): 83723438

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 60101, 120202, 240404, 480808, 781313, 1562626, 3125252, 6250504, 10157069, 20314138, 40628276, 81256552]

約数ペア:

[(1, 81256552), (2, 40628276), (4, 20314138), (8, 10157069), (13, 6250504), (26, 3125252), (52, 1562626), (104, 781313), (169, 480808), (338, 240404), (676, 120202), (1352, 60101)]