28189070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30977}}^1$

素因数の和:31004

約数の個数: 32

約数和(自身を含む): 62451648

約数和(自身を除く): 34262578

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 30977, 61954, 154885, 216839, 309770, 402701, 433678, 805402, 1084195, 2013505, 2168390, 2818907, 4027010, 5637814, 14094535, 28189070]

約数ペア:

[(1, 28189070), (2, 14094535), (5, 5637814), (7, 4027010), (10, 2818907), (13, 2168390), (14, 2013505), (26, 1084195), (35, 805402), (65, 433678), (70, 402701), (91, 309770), (130, 216839), (182, 154885), (455, 61954), (910, 30977)]