1624688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 40

約数和(自身を含む): 3468528

約数和(自身を除く): 1843840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 107, 146, 208, 214, 292, 428, 584, 856, 949, 1168, 1391, 1712, 1898, 2782, 3796, 5564, 7592, 7811, 11128, 15184, 15622, 22256, 31244, 62488, 101543, 124976, 203086, 406172, 812344, 1624688]

約数ペア:

[(1, 1624688), (2, 812344), (4, 406172), (8, 203086), (13, 124976), (16, 101543), (26, 62488), (52, 31244), (73, 22256), (104, 15622), (107, 15184), (146, 11128), (208, 7811), (214, 7592), (292, 5564), (428, 3796), (584, 2782), (856, 1898), (949, 1712), (1168, 1391)]