389612145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 689762304

約数和(自身を除く): 300150159

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 107, 195, 213, 263, 321, 355, 535, 789, 923, 1065, 1315, 1391, 1605, 2769, 3419, 3945, 4173, 4615, 6955, 7597, 10257, 13845, 17095, 18673, 20865, 22791, 28141, 37985, 51285, 56019, 84423, 93365, 98761, 113955, 140705, 242749, 280095, 296283, 365833, 422115, 493805, 728247, 1097499, 1213745, 1481415, 1829165, 1998011, 3641235, 5487495, 5994033, 9990055, 25974143, 29970165, 77922429, 129870715, 389612145]

約数ペア:

[(1, 389612145), (3, 129870715), (5, 77922429), (13, 29970165), (15, 25974143), (39, 9990055), (65, 5994033), (71, 5487495), (107, 3641235), (195, 1998011), (213, 1829165), (263, 1481415), (321, 1213745), (355, 1097499), (535, 728247), (789, 493805), (923, 422115), (1065, 365833), (1315, 296283), (1391, 280095), (1605, 242749), (2769, 140705), (3419, 113955), (3945, 98761), (4173, 93365), (4615, 84423), (6955, 56019), (7597, 51285), (10257, 37985), (13845, 28141), (17095, 22791), (18673, 20865)]