81570552

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{997}}^1$

素因数の和:1500

約数の個数: 64

約数和(自身を含む): 233771520

約数和(自身を除く): 152200968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 487, 974, 997, 1461, 1948, 1994, 2922, 2991, 3409, 3896, 3988, 5844, 5982, 6818, 6979, 7976, 10227, 11688, 11964, 13636, 13958, 20454, 20937, 23928, 27272, 27916, 40908, 41874, 55832, 81816, 83748, 167496, 485539, 971078, 1456617, 1942156, 2913234, 3398773, 3884312, 5826468, 6797546, 10196319, 11652936, 13595092, 20392638, 27190184, 40785276, 81570552]

約数ペア:

[(1, 81570552), (2, 40785276), (3, 27190184), (4, 20392638), (6, 13595092), (7, 11652936), (8, 10196319), (12, 6797546), (14, 5826468), (21, 3884312), (24, 3398773), (28, 2913234), (42, 1942156), (56, 1456617), (84, 971078), (168, 485539), (487, 167496), (974, 83748), (997, 81816), (1461, 55832), (1948, 41874), (1994, 40908), (2922, 27916), (2991, 27272), (3409, 23928), (3896, 20937), (3988, 20454), (5844, 13958), (5982, 13636), (6818, 11964), (6979, 11688), (7976, 10227)]