289403764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{91237}}^1$

素因数の和:91315

約数の個数: 24

約数和(自身を含む): 554362088

約数和(自身を除く): 264958324

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 91237, 182474, 364948, 1186081, 2372162, 4744324, 5565457, 11130914, 22261828, 72350941, 144701882, 289403764]

約数ペア:

[(1, 289403764), (2, 144701882), (4, 72350941), (13, 22261828), (26, 11130914), (52, 5565457), (61, 4744324), (122, 2372162), (244, 1186081), (793, 364948), (1586, 182474), (3172, 91237)]