258972488

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{7309}}^1$

素因数の和:7461

約数の個数: 32

約数和(自身を含む): 501758400

約数和(自身を除く): 242785912

約数列:

[1, 2, 4, 8, 43, 86, 103, 172, 206, 344, 412, 824, 4429, 7309, 8858, 14618, 17716, 29236, 35432, 58472, 314287, 628574, 752827, 1257148, 1505654, 2514296, 3011308, 6022616, 32371561, 64743122, 129486244, 258972488]

約数ペア:

[(1, 258972488), (2, 129486244), (4, 64743122), (8, 32371561), (43, 6022616), (86, 3011308), (103, 2514296), (172, 1505654), (206, 1257148), (344, 752827), (412, 628574), (824, 314287), (4429, 58472), (7309, 35432), (8858, 29236), (14618, 17716)]