56806945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 78654240

約数和(自身を除く): 21847295

約数列:

[1, 5, 13, 17, 65, 85, 101, 221, 505, 509, 1105, 1313, 1717, 2545, 6565, 6617, 8585, 8653, 22321, 33085, 43265, 51409, 111605, 112489, 257045, 562445, 668317, 873953, 3341585, 4369765, 11361389, 56806945]

約数ペア:

[(1, 56806945), (5, 11361389), (13, 4369765), (17, 3341585), (65, 873953), (85, 668317), (101, 562445), (221, 257045), (505, 112489), (509, 111605), (1105, 51409), (1313, 43265), (1717, 33085), (2545, 22321), (6565, 8653), (6617, 8585)]