78727428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 215943000

約数和(自身を除く): 137215572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 298, 447, 468, 596, 894, 1129, 1341, 1788, 1937, 2258, 2682, 3387, 3874, 4516, 5364, 5811, 6774, 7748, 10161, 11622, 13548, 14677, 17433, 20322, 23244, 29354, 34866, 40644, 44031, 58708, 69732, 88062, 132093, 168221, 176124, 264186, 336442, 504663, 528372, 672884, 1009326, 1513989, 2018652, 2186873, 3027978, 4373746, 6055956, 6560619, 8747492, 13121238, 19681857, 26242476, 39363714, 78727428]

約数ペア:

[(1, 78727428), (2, 39363714), (3, 26242476), (4, 19681857), (6, 13121238), (9, 8747492), (12, 6560619), (13, 6055956), (18, 4373746), (26, 3027978), (36, 2186873), (39, 2018652), (52, 1513989), (78, 1009326), (117, 672884), (149, 528372), (156, 504663), (234, 336442), (298, 264186), (447, 176124), (468, 168221), (596, 132093), (894, 88062), (1129, 69732), (1341, 58708), (1788, 44031), (1937, 40644), (2258, 34866), (2682, 29354), (3387, 23244), (3874, 20322), (4516, 17433), (5364, 14677), (5811, 13548), (6774, 11622), (7748, 10161)]