289786952

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{398059}}^1$

素因数の和:398085

約数の個数: 32

約数和(自身を含む): 668740800

約数和(自身を除く): 378953848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 398059, 796118, 1592236, 2786413, 3184472, 5174767, 5572826, 10349534, 11145652, 20699068, 22291304, 36223369, 41398136, 72446738, 144893476, 289786952]

約数ペア:

[(1, 289786952), (2, 144893476), (4, 72446738), (7, 41398136), (8, 36223369), (13, 22291304), (14, 20699068), (26, 11145652), (28, 10349534), (52, 5572826), (56, 5174767), (91, 3184472), (104, 2786413), (182, 1592236), (364, 796118), (728, 398059)]