81140556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26107}}^1$

素因数の和:26158

約数の個数: 48

約数和(自身を含む): 222231296

約数和(自身を除く): 141090740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 26107, 52214, 78321, 104428, 156642, 182749, 313284, 365498, 548247, 730996, 965959, 1096494, 1931918, 2192988, 2897877, 3863836, 5795754, 6761713, 11591508, 13523426, 20285139, 27046852, 40570278, 81140556]

約数ペア:

[(1, 81140556), (2, 40570278), (3, 27046852), (4, 20285139), (6, 13523426), (7, 11591508), (12, 6761713), (14, 5795754), (21, 3863836), (28, 2897877), (37, 2192988), (42, 1931918), (74, 1096494), (84, 965959), (111, 730996), (148, 548247), (222, 365498), (259, 313284), (444, 182749), (518, 156642), (777, 104428), (1036, 78321), (1554, 52214), (3108, 26107)]