1985959815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{983}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 3699965952

約数和(自身を除く): 1714006137

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 271, 355, 497, 813, 983, 1065, 1355, 1491, 1897, 2485, 2949, 4065, 4915, 5691, 6881, 7455, 9485, 14745, 19241, 20643, 28455, 34405, 57723, 69793, 96205, 103215, 134687, 209379, 266393, 288615, 348965, 404061, 488551, 673435, 799179, 1046895, 1331965, 1465653, 1864751, 2020305, 2442755, 3995895, 5594253, 7328265, 9323755, 18913903, 27971265, 56741709, 94569515, 132397321, 283708545, 397191963, 661986605, 1985959815]

約数ペア:

[(1, 1985959815), (3, 661986605), (5, 397191963), (7, 283708545), (15, 132397321), (21, 94569515), (35, 56741709), (71, 27971265), (105, 18913903), (213, 9323755), (271, 7328265), (355, 5594253), (497, 3995895), (813, 2442755), (983, 2020305), (1065, 1864751), (1355, 1465653), (1491, 1331965), (1897, 1046895), (2485, 799179), (2949, 673435), (4065, 488551), (4915, 404061), (5691, 348965), (6881, 288615), (7455, 266393), (9485, 209379), (14745, 134687), (19241, 103215), (20643, 96205), (28455, 69793), (34405, 57723)]