12581816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 25552800

約数和(自身を除く): 12970984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 389, 622, 778, 1244, 1556, 2488, 3112, 4043, 5057, 8086, 10114, 16172, 20228, 32344, 40456, 120979, 241958, 483916, 967832, 1572727, 3145454, 6290908, 12581816]

約数ペア:

[(1, 12581816), (2, 6290908), (4, 3145454), (8, 1572727), (13, 967832), (26, 483916), (52, 241958), (104, 120979), (311, 40456), (389, 32344), (622, 20228), (778, 16172), (1244, 10114), (1556, 8086), (2488, 5057), (3112, 4043)]