9806985890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5981}}^1\times {\mathrm{12613}}^1$

素因数の和:18614

約数の個数: 32

約数和(自身を含む): 19015150896

約数和(自身を除く): 9208165006

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 5981, 11962, 12613, 25226, 29905, 59810, 63065, 77753, 126130, 155506, 163969, 327938, 388765, 777530, 819845, 1639690, 75438353, 150876706, 377191765, 754383530, 980698589, 1961397178, 4903492945, 9806985890]

約数ペア:

[(1, 9806985890), (2, 4903492945), (5, 1961397178), (10, 980698589), (13, 754383530), (26, 377191765), (65, 150876706), (130, 75438353), (5981, 1639690), (11962, 819845), (12613, 777530), (25226, 388765), (29905, 327938), (59810, 163969), (63065, 155506), (77753, 126130)]