28128898

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 50572800

約数和(自身を除く): 22443902

約数列:

[1, 2, 7, 14, 29, 58, 79, 158, 203, 406, 553, 877, 1106, 1754, 2291, 4582, 6139, 12278, 16037, 25433, 32074, 50866, 69283, 138566, 178031, 356062, 484981, 969962, 2009207, 4018414, 14064449, 28128898]

約数ペア:

[(1, 28128898), (2, 14064449), (7, 4018414), (14, 2009207), (29, 969962), (58, 484981), (79, 356062), (158, 178031), (203, 138566), (406, 69283), (553, 50866), (877, 32074), (1106, 25433), (1754, 16037), (2291, 12278), (4582, 6139)]