642936

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 1900800

約数和(自身を除く): 1257864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 89, 129, 168, 172, 178, 258, 267, 301, 344, 356, 516, 534, 602, 623, 712, 903, 1032, 1068, 1204, 1246, 1806, 1869, 2136, 2408, 2492, 3612, 3738, 3827, 4984, 7224, 7476, 7654, 11481, 14952, 15308, 22962, 26789, 30616, 45924, 53578, 80367, 91848, 107156, 160734, 214312, 321468, 642936]

約数ペア:

[(1, 642936), (2, 321468), (3, 214312), (4, 160734), (6, 107156), (7, 91848), (8, 80367), (12, 53578), (14, 45924), (21, 30616), (24, 26789), (28, 22962), (42, 15308), (43, 14952), (56, 11481), (84, 7654), (86, 7476), (89, 7224), (129, 4984), (168, 3827), (172, 3738), (178, 3612), (258, 2492), (267, 2408), (301, 2136), (344, 1869), (356, 1806), (516, 1246), (534, 1204), (602, 1068), (623, 1032), (712, 903)]