1980897786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{424903}}^1$

素因数の和:424955

約数の個数: 48

約数和(自身を含む): 5037661824

約数和(自身を除く): 3056764038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 424903, 849806, 1274709, 2549418, 2974321, 3824127, 5948642, 7648254, 8922963, 15721411, 17845926, 26768889, 31442822, 47164233, 53537778, 94328466, 110049877, 141492699, 220099754, 282985398, 330149631, 660299262, 990448893, 1980897786]

約数ペア:

[(1, 1980897786), (2, 990448893), (3, 660299262), (6, 330149631), (7, 282985398), (9, 220099754), (14, 141492699), (18, 110049877), (21, 94328466), (37, 53537778), (42, 47164233), (63, 31442822), (74, 26768889), (111, 17845926), (126, 15721411), (222, 8922963), (259, 7648254), (333, 5948642), (518, 3824127), (666, 2974321), (777, 2549418), (1554, 1274709), (2331, 849806), (4662, 424903)]