89917190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{2909}}^1$

素因数の和:3208

約数の個数: 32

約数和(自身を含む): 177253920

約数和(自身を除く): 87336730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 281, 562, 1405, 2810, 2909, 3091, 5818, 6182, 14545, 15455, 29090, 30910, 31999, 63998, 159995, 319990, 817429, 1634858, 4087145, 8174290, 8991719, 17983438, 44958595, 89917190]

約数ペア:

[(1, 89917190), (2, 44958595), (5, 17983438), (10, 8991719), (11, 8174290), (22, 4087145), (55, 1634858), (110, 817429), (281, 319990), (562, 159995), (1405, 63998), (2810, 31999), (2909, 30910), (3091, 29090), (5818, 15455), (6182, 14545)]