28900242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1023

約数の個数: 48

約数和(自身を含む): 71877312

約数和(自身を除く): 42977070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 347, 661, 694, 1041, 1322, 1983, 2082, 2429, 3123, 3966, 4627, 4858, 5949, 6246, 7287, 9254, 11898, 13881, 14574, 21861, 27762, 41643, 43722, 83286, 229367, 458734, 688101, 1376202, 1605569, 2064303, 3211138, 4128606, 4816707, 9633414, 14450121, 28900242]

約数ペア:

[(1, 28900242), (2, 14450121), (3, 9633414), (6, 4816707), (7, 4128606), (9, 3211138), (14, 2064303), (18, 1605569), (21, 1376202), (42, 688101), (63, 458734), (126, 229367), (347, 83286), (661, 43722), (694, 41643), (1041, 27762), (1322, 21861), (1983, 14574), (2082, 13881), (2429, 11898), (3123, 9254), (3966, 7287), (4627, 6246), (4858, 5949)]