208045490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1031}}^1\times {\mathrm{1187}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 397229184

約数和(自身を除く): 189183694

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1031, 1187, 2062, 2374, 5155, 5935, 10310, 11870, 17527, 20179, 35054, 40358, 87635, 100895, 175270, 201790, 1223797, 2447594, 6118985, 12237970, 20804549, 41609098, 104022745, 208045490]

約数ペア:

[(1, 208045490), (2, 104022745), (5, 41609098), (10, 20804549), (17, 12237970), (34, 6118985), (85, 2447594), (170, 1223797), (1031, 201790), (1187, 175270), (2062, 100895), (2374, 87635), (5155, 40358), (5935, 35054), (10310, 20179), (11870, 17527)]