9979881505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2447}}^1\times {\mathrm{2557}}^1$

素因数の和:5049

約数の個数: 32

約数和(自身を含む): 13525885440

約数和(自身を除く): 3546003935

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 2447, 2557, 12235, 12785, 26917, 28127, 70963, 74153, 134585, 140635, 354815, 370765, 780593, 815683, 3902965, 4078415, 6256979, 31284895, 68826769, 181452391, 344133845, 907261955, 1995976301, 9979881505]

約数ペア:

[(1, 9979881505), (5, 1995976301), (11, 907261955), (29, 344133845), (55, 181452391), (145, 68826769), (319, 31284895), (1595, 6256979), (2447, 4078415), (2557, 3902965), (12235, 815683), (12785, 780593), (26917, 370765), (28127, 354815), (70963, 140635), (74153, 134585)]