388736715

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^2\times {\mathrm{97}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 649391904

約数和(自身を除く): 260655189

約数列:

[1, 3, 5, 15, 53, 71, 97, 159, 213, 265, 291, 355, 485, 795, 1065, 1455, 3763, 5041, 5141, 6887, 11289, 15123, 15423, 18815, 20661, 25205, 25705, 34435, 56445, 75615, 77115, 103305, 267173, 365011, 488977, 801519, 1095033, 1335865, 1466931, 1825055, 2444885, 4007595, 5475165, 7334655, 25915781, 77747343, 129578905, 388736715]

約数ペア:

[(1, 388736715), (3, 129578905), (5, 77747343), (15, 25915781), (53, 7334655), (71, 5475165), (97, 4007595), (159, 2444885), (213, 1825055), (265, 1466931), (291, 1335865), (355, 1095033), (485, 801519), (795, 488977), (1065, 365011), (1455, 267173), (3763, 103305), (5041, 77115), (5141, 75615), (6887, 56445), (11289, 34435), (15123, 25705), (15423, 25205), (18815, 20661)]