12921128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 26568000

約数和(自身を除く): 13646872

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 359, 409, 718, 818, 1436, 1636, 2872, 3272, 3949, 4499, 7898, 8998, 15796, 17996, 31592, 35992, 146831, 293662, 587324, 1174648, 1615141, 3230282, 6460564, 12921128]

約数ペア:

[(1, 12921128), (2, 6460564), (4, 3230282), (8, 1615141), (11, 1174648), (22, 587324), (44, 293662), (88, 146831), (359, 35992), (409, 31592), (718, 17996), (818, 15796), (1436, 8998), (1636, 7898), (2872, 4499), (3272, 3949)]