28156932865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^2$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 36527198400

約数和(自身を除く): 8370265535

約数列:

[1, 5, 19, 83, 95, 109, 181, 415, 545, 905, 1577, 2071, 3439, 7885, 9047, 10355, 15023, 17195, 19729, 32761, 45235, 75115, 98645, 163805, 171893, 285437, 374851, 622459, 859465, 1427185, 1637507, 1874255, 2719163, 3112295, 3570949, 8187535, 13595815, 17854745, 31112633, 51664097, 67848031, 155563165, 258320485, 296388767, 339240155, 1481943835, 5631386573, 28156932865]

約数ペア:

[(1, 28156932865), (5, 5631386573), (19, 1481943835), (83, 339240155), (95, 296388767), (109, 258320485), (181, 155563165), (415, 67848031), (545, 51664097), (905, 31112633), (1577, 17854745), (2071, 13595815), (3439, 8187535), (7885, 3570949), (9047, 3112295), (10355, 2719163), (15023, 1874255), (17195, 1637507), (19729, 1427185), (32761, 859465), (45235, 622459), (75115, 374851), (98645, 285437), (163805, 171893)]