199720108

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{3229}}^1$

素因数の和:3334

約数の個数: 36

約数和(自身を含む): 408246160

約数和(自身を除く): 208526052

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 2209, 3229, 4418, 6458, 8836, 12916, 15463, 22603, 30926, 45206, 61852, 90412, 151763, 303526, 607052, 1062341, 2124682, 4249364, 7132861, 14265722, 28531444, 49930027, 99860054, 199720108]

約数ペア:

[(1, 199720108), (2, 99860054), (4, 49930027), (7, 28531444), (14, 14265722), (28, 7132861), (47, 4249364), (94, 2124682), (188, 1062341), (329, 607052), (658, 303526), (1316, 151763), (2209, 90412), (3229, 61852), (4418, 45206), (6458, 30926), (8836, 22603), (12916, 15463)]