65515490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{653}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 120545280

約数和(自身を除く): 55029790

約数列:

[1, 2, 5, 10, 79, 127, 158, 254, 395, 635, 653, 790, 1270, 1306, 3265, 6530, 10033, 20066, 50165, 51587, 82931, 100330, 103174, 165862, 257935, 414655, 515870, 829310, 6551549, 13103098, 32757745, 65515490]

約数ペア:

[(1, 65515490), (2, 32757745), (5, 13103098), (10, 6551549), (79, 829310), (127, 515870), (158, 414655), (254, 257935), (395, 165862), (635, 103174), (653, 100330), (790, 82931), (1270, 51587), (1306, 50165), (3265, 20066), (6530, 10033)]