54921815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2219

約数の個数: 32

約数和(自身を含む): 78454656

約数和(自身を除く): 23532841

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 2161, 5083, 10805, 25415, 28093, 36737, 49703, 140465, 183685, 248515, 477581, 646139, 844951, 2387905, 3230695, 4224755, 10984363, 54921815]

約数ペア:

[(1, 54921815), (5, 10984363), (13, 4224755), (17, 3230695), (23, 2387905), (65, 844951), (85, 646139), (115, 477581), (221, 248515), (299, 183685), (391, 140465), (1105, 49703), (1495, 36737), (1955, 28093), (2161, 25415), (5083, 10805)]