9945478081

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{277}}^1\times {\mathrm{1951}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 12502794240

約数和(自身を除く): 2557316159

約数列:

[1, 7, 11, 77, 239, 277, 1673, 1939, 1951, 2629, 3047, 13657, 18403, 21329, 21461, 66203, 150227, 463421, 466289, 540427, 728233, 3264023, 3782989, 5097631, 5129179, 5944697, 35904253, 41612879, 129162053, 904134371, 1420782583, 9945478081]

約数ペア:

[(1, 9945478081), (7, 1420782583), (11, 904134371), (77, 129162053), (239, 41612879), (277, 35904253), (1673, 5944697), (1939, 5129179), (1951, 5097631), (2629, 3782989), (3047, 3264023), (13657, 728233), (18403, 540427), (21329, 466289), (21461, 463421), (66203, 150227)]