204890296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 426746880

約数和(自身を除く): 221856584

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 167, 188, 251, 334, 376, 502, 611, 668, 1004, 1222, 1336, 2008, 2171, 2444, 3263, 4342, 4888, 6526, 7849, 8684, 11797, 13052, 15698, 17368, 23594, 26104, 31396, 41917, 47188, 62792, 83834, 94376, 102037, 153361, 167668, 204074, 306722, 335336, 408148, 544921, 613444, 816296, 1089842, 1226888, 1970099, 2179684, 3940198, 4359368, 7880396, 15760792, 25611287, 51222574, 102445148, 204890296]

約数ペア:

[(1, 204890296), (2, 102445148), (4, 51222574), (8, 25611287), (13, 15760792), (26, 7880396), (47, 4359368), (52, 3940198), (94, 2179684), (104, 1970099), (167, 1226888), (188, 1089842), (251, 816296), (334, 613444), (376, 544921), (502, 408148), (611, 335336), (668, 306722), (1004, 204074), (1222, 167668), (1336, 153361), (2008, 102037), (2171, 94376), (2444, 83834), (3263, 62792), (4342, 47188), (4888, 41917), (6526, 31396), (7849, 26104), (8684, 23594), (11797, 17368), (13052, 15698)]