201920887

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1843

約数の個数: 24

約数和(自身を含む): 249159680

約数和(自身を除く): 47238793

約数列:

[1, 7, 23, 31, 161, 217, 529, 713, 1759, 3703, 4991, 12313, 16399, 40457, 54529, 114793, 283199, 381703, 930511, 1254167, 6513577, 8779169, 28845841, 201920887]

約数ペア:

[(1, 201920887), (7, 28845841), (23, 8779169), (31, 6513577), (161, 1254167), (217, 930511), (529, 381703), (713, 283199), (1759, 114793), (3703, 54529), (4991, 40457), (12313, 16399)]