258018488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{354421}}^1$

素因数の和:354447

約数の個数: 32

約数和(自身を含む): 595428960

約数和(自身を除く): 337410472

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 354421, 708842, 1417684, 2480947, 2835368, 4607473, 4961894, 9214946, 9923788, 18429892, 19847576, 32252311, 36859784, 64504622, 129009244, 258018488]

約数ペア:

[(1, 258018488), (2, 129009244), (4, 64504622), (7, 36859784), (8, 32252311), (13, 19847576), (14, 18429892), (26, 9923788), (28, 9214946), (52, 4961894), (56, 4607473), (91, 2835368), (104, 2480947), (182, 1417684), (364, 708842), (728, 354421)]