208570978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{3217}}^1$

素因数の和:3658

約数の個数: 32

約数和(自身を含む): 391102848

約数和(自身を除く): 182531870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 421, 842, 2947, 3217, 4631, 5894, 6434, 9262, 22519, 32417, 35387, 45038, 64834, 70774, 247709, 495418, 1354357, 2708714, 9480499, 14897927, 18960998, 29795854, 104285489, 208570978]

約数ペア:

[(1, 208570978), (2, 104285489), (7, 29795854), (11, 18960998), (14, 14897927), (22, 9480499), (77, 2708714), (154, 1354357), (421, 495418), (842, 247709), (2947, 70774), (3217, 64834), (4631, 45038), (5894, 35387), (6434, 32417), (9262, 22519)]