258134370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661883}}^1$

素因数の和:661906

約数の個数: 32

約数和(自身を含む): 667179072

約数和(自身を除く): 409044702

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 661883, 1323766, 1985649, 3309415, 3971298, 6618830, 8604479, 9928245, 17208958, 19856490, 25813437, 43022395, 51626874, 86044790, 129067185, 258134370]

約数ペア:

[(1, 258134370), (2, 129067185), (3, 86044790), (5, 51626874), (6, 43022395), (10, 25813437), (13, 19856490), (15, 17208958), (26, 9928245), (30, 8604479), (39, 6618830), (65, 3971298), (78, 3309415), (130, 1985649), (195, 1323766), (390, 661883)]