80984988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107123}}^1$

素因数の和:107143

約数の個数: 48

約数和(自身を含む): 239957760

約数和(自身を除く): 158972772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 107123, 214246, 321369, 428492, 642738, 749861, 964107, 1285476, 1499722, 1928214, 2249583, 2892321, 2999444, 3856428, 4499166, 5784642, 6748749, 8998332, 11569284, 13497498, 20246247, 26994996, 40492494, 80984988]

約数ペア:

[(1, 80984988), (2, 40492494), (3, 26994996), (4, 20246247), (6, 13497498), (7, 11569284), (9, 8998332), (12, 6748749), (14, 5784642), (18, 4499166), (21, 3856428), (27, 2999444), (28, 2892321), (36, 2249583), (42, 1928214), (54, 1499722), (63, 1285476), (84, 964107), (108, 749861), (126, 642738), (189, 428492), (252, 321369), (378, 214246), (756, 107123)]