388892084

素因数分解:

$2^2\times 7^1\times {\mathrm{2153}}^1\times {\mathrm{6451}}^1$

素因数の和:8615

約数の個数: 24

約数和(自身を含む): 778266048

約数和(自身を除く): 389373964

約数列:

[1, 2, 4, 7, 14, 28, 2153, 4306, 6451, 8612, 12902, 15071, 25804, 30142, 45157, 60284, 90314, 180628, 13889003, 27778006, 55556012, 97223021, 194446042, 388892084]

約数ペア:

[(1, 388892084), (2, 194446042), (4, 97223021), (7, 55556012), (14, 27778006), (28, 13889003), (2153, 180628), (4306, 90314), (6451, 60284), (8612, 45157), (12902, 30142), (15071, 25804)]