64569708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 187448352

約数和(自身を除く): 122878644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 997, 1028, 1542, 1799, 1994, 2313, 2991, 3084, 3598, 3988, 4626, 5397, 5982, 6979, 7196, 8973, 9252, 10794, 11964, 13958, 16191, 17946, 20937, 21588, 27916, 32382, 35892, 41874, 62811, 64764, 83748, 125622, 251244, 256229, 512458, 768687, 1024916, 1537374, 1793603, 2306061, 3074748, 3587206, 4612122, 5380809, 7174412, 9224244, 10761618, 16142427, 21523236, 32284854, 64569708]

約数ペア:

[(1, 64569708), (2, 32284854), (3, 21523236), (4, 16142427), (6, 10761618), (7, 9224244), (9, 7174412), (12, 5380809), (14, 4612122), (18, 3587206), (21, 3074748), (28, 2306061), (36, 1793603), (42, 1537374), (63, 1024916), (84, 768687), (126, 512458), (252, 256229), (257, 251244), (514, 125622), (771, 83748), (997, 64764), (1028, 62811), (1542, 41874), (1799, 35892), (1994, 32382), (2313, 27916), (2991, 21588), (3084, 20937), (3598, 17946), (3988, 16191), (4626, 13958), (5397, 11964), (5982, 10794), (6979, 9252), (7196, 8973)]