258740978

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{5527}}^1$

素因数の和:5881

約数の個数: 16

約数和(自身を含む): 394035840

約数和(自身を除く): 135294862

約数列:

[1, 2, 89, 178, 263, 526, 5527, 11054, 23407, 46814, 491903, 983806, 1453601, 2907202, 129370489, 258740978]

約数ペア:

[(1, 258740978), (2, 129370489), (89, 2907202), (178, 1453601), (263, 983806), (526, 491903), (5527, 46814), (11054, 23407)]