28881828

素因数分解:

$2^2\times 3^2\times {\mathrm{443}}^1\times {\mathrm{1811}}^1$

素因数の和:2264

約数の個数: 36

約数和(自身を含む): 73212048

約数和(自身を除く): 44330220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443, 886, 1329, 1772, 1811, 2658, 3622, 3987, 5316, 5433, 7244, 7974, 10866, 15948, 16299, 21732, 32598, 65196, 802273, 1604546, 2406819, 3209092, 4813638, 7220457, 9627276, 14440914, 28881828]

約数ペア:

[(1, 28881828), (2, 14440914), (3, 9627276), (4, 7220457), (6, 4813638), (9, 3209092), (12, 2406819), (18, 1604546), (36, 802273), (443, 65196), (886, 32598), (1329, 21732), (1772, 16299), (1811, 15948), (2658, 10866), (3622, 7974), (3987, 7244), (5316, 5433)]