28176395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 39517632

約数和(自身を除く): 11341237

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 593, 731, 1105, 2795, 2965, 3655, 7709, 9503, 10081, 25499, 38545, 47515, 50405, 127495, 131053, 331487, 433483, 655265, 1657435, 2167415, 5635279, 28176395]

約数ペア:

[(1, 28176395), (5, 5635279), (13, 2167415), (17, 1657435), (43, 655265), (65, 433483), (85, 331487), (215, 131053), (221, 127495), (559, 50405), (593, 47515), (731, 38545), (1105, 25499), (2795, 10081), (2965, 9503), (3655, 7709)]