131451768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{86939}}^1$

素因数の和:86961

約数の個数: 64

約数和(自身を含む): 417312000

約数和(自身を除く): 285860232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 86939, 173878, 260817, 347756, 521634, 608573, 695512, 782451, 1043268, 1217146, 1564902, 1825719, 2086536, 2347353, 2434292, 3129804, 3651438, 4694706, 4868584, 5477157, 6259608, 7302876, 9389412, 10954314, 14605752, 16431471, 18778824, 21908628, 32862942, 43817256, 65725884, 131451768]

約数ペア:

[(1, 131451768), (2, 65725884), (3, 43817256), (4, 32862942), (6, 21908628), (7, 18778824), (8, 16431471), (9, 14605752), (12, 10954314), (14, 9389412), (18, 7302876), (21, 6259608), (24, 5477157), (27, 4868584), (28, 4694706), (36, 3651438), (42, 3129804), (54, 2434292), (56, 2347353), (63, 2086536), (72, 1825719), (84, 1564902), (108, 1217146), (126, 1043268), (168, 782451), (189, 695512), (216, 608573), (252, 521634), (378, 347756), (504, 260817), (756, 173878), (1512, 86939)]