291228925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8221}}^1$

素因数の和:8353

約数の個数: 24

約数和(自身を含む): 392518280

約数和(自身を除く): 101289355

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7085, 8221, 35425, 41105, 106873, 205525, 534365, 896089, 2671825, 4480445, 11649157, 22402225, 58245785, 291228925]

約数ペア:

[(1, 291228925), (5, 58245785), (13, 22402225), (25, 11649157), (65, 4480445), (109, 2671825), (325, 896089), (545, 534365), (1417, 205525), (2725, 106873), (7085, 41105), (8221, 35425)]