200900816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{4787}}^1$

素因数の和:4899

約数の個数: 40

約数和(自身を含む): 404911584

約数和(自身を除く): 204010768

約数列:

[1, 2, 4, 8, 16, 43, 61, 86, 122, 172, 244, 344, 488, 688, 976, 2623, 4787, 5246, 9574, 10492, 19148, 20984, 38296, 41968, 76592, 205841, 292007, 411682, 584014, 823364, 1168028, 1646728, 2336056, 3293456, 4672112, 12556301, 25112602, 50225204, 100450408, 200900816]

約数ペア:

[(1, 200900816), (2, 100450408), (4, 50225204), (8, 25112602), (16, 12556301), (43, 4672112), (61, 3293456), (86, 2336056), (122, 1646728), (172, 1168028), (244, 823364), (344, 584014), (488, 411682), (688, 292007), (976, 205841), (2623, 76592), (4787, 41968), (5246, 38296), (9574, 20984), (10492, 19148)]