20161119979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{649709}}^1$

素因数の和:649771

約数の個数: 32

約数和(自身を含む): 27942727680

約数和(自身を除く): 7781607701

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 1001, 2387, 2821, 4433, 31031, 649709, 4547963, 7146799, 8446217, 20140979, 50027593, 59123519, 92908387, 140986853, 221550769, 261832727, 650358709, 1550855383, 1832829089, 2880159997, 20161119979]

約数ペア:

[(1, 20161119979), (7, 2880159997), (11, 1832829089), (13, 1550855383), (31, 650358709), (77, 261832727), (91, 221550769), (143, 140986853), (217, 92908387), (341, 59123519), (403, 50027593), (1001, 20140979), (2387, 8446217), (2821, 7146799), (4433, 4547963), (31031, 649709)]