28401804

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{3301}}^1$

素因数の和:3550

約数の個数: 36

約数和(自身を含む): 72115680

約数和(自身を除く): 43713876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2868, 3301, 4302, 6602, 8604, 9903, 13204, 19806, 29709, 39612, 59418, 118836, 788939, 1577878, 2366817, 3155756, 4733634, 7100451, 9467268, 14200902, 28401804]

約数ペア:

[(1, 28401804), (2, 14200902), (3, 9467268), (4, 7100451), (6, 4733634), (9, 3155756), (12, 2366817), (18, 1577878), (36, 788939), (239, 118836), (478, 59418), (717, 39612), (956, 29709), (1434, 19806), (2151, 13204), (2868, 9903), (3301, 8604), (4302, 6602)]