205122556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 403603200

約数和(自身を除く): 198480644

約数列:

[1, 2, 4, 19, 23, 38, 43, 46, 76, 86, 92, 172, 437, 817, 874, 989, 1634, 1748, 1978, 2729, 3268, 3956, 5458, 10916, 18791, 37582, 51851, 62767, 75164, 103702, 117347, 125534, 207404, 234694, 251068, 469388, 1192573, 2229593, 2385146, 2698981, 4459186, 4770292, 5397962, 8918372, 10795924, 51280639, 102561278, 205122556]

約数ペア:

[(1, 205122556), (2, 102561278), (4, 51280639), (19, 10795924), (23, 8918372), (38, 5397962), (43, 4770292), (46, 4459186), (76, 2698981), (86, 2385146), (92, 2229593), (172, 1192573), (437, 469388), (817, 251068), (874, 234694), (989, 207404), (1634, 125534), (1748, 117347), (1978, 103702), (2729, 75164), (3268, 62767), (3956, 51851), (5458, 37582), (10916, 18791)]