207664639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 272232576

約数和(自身を除く): 64567937

約数列:

[1, 7, 13, 17, 91, 119, 221, 241, 557, 1547, 1687, 3133, 3899, 4097, 7241, 9469, 21931, 28679, 50687, 53261, 66283, 123097, 134237, 372827, 861679, 939659, 1745081, 2282029, 12215567, 15974203, 29666377, 207664639]

約数ペア:

[(1, 207664639), (7, 29666377), (13, 15974203), (17, 12215567), (91, 2282029), (119, 1745081), (221, 939659), (241, 861679), (557, 372827), (1547, 134237), (1687, 123097), (3133, 66283), (3899, 53261), (4097, 50687), (7241, 28679), (9469, 21931)]