7972419

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 14515200

約数和(自身を除く): 6542781

約数列:

[1, 3, 7, 13, 19, 21, 29, 39, 53, 57, 87, 91, 133, 159, 203, 247, 273, 371, 377, 399, 551, 609, 689, 741, 1007, 1113, 1131, 1537, 1653, 1729, 2067, 2639, 3021, 3857, 4611, 4823, 5187, 7049, 7163, 7917, 10759, 11571, 13091, 14469, 19981, 21147, 21489, 29203, 32277, 39273, 50141, 59943, 87609, 91637, 139867, 150423, 204421, 274911, 379639, 419601, 613263, 1138917, 2657473, 7972419]

約数ペア:

[(1, 7972419), (3, 2657473), (7, 1138917), (13, 613263), (19, 419601), (21, 379639), (29, 274911), (39, 204421), (53, 150423), (57, 139867), (87, 91637), (91, 87609), (133, 59943), (159, 50141), (203, 39273), (247, 32277), (273, 29203), (371, 21489), (377, 21147), (399, 19981), (551, 14469), (609, 13091), (689, 11571), (741, 10759), (1007, 7917), (1113, 7163), (1131, 7049), (1537, 5187), (1653, 4823), (1729, 4611), (2067, 3857), (2639, 3021)]