51220568

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 114048000

約数和(自身を除く): 62827432

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 89, 172, 178, 239, 301, 344, 356, 478, 602, 623, 712, 956, 1204, 1246, 1673, 1912, 2408, 2492, 3346, 3827, 4984, 6692, 7654, 10277, 13384, 15308, 20554, 21271, 26789, 30616, 41108, 42542, 53578, 71939, 82216, 85084, 107156, 143878, 148897, 170168, 214312, 287756, 297794, 575512, 595588, 914653, 1191176, 1829306, 3658612, 6402571, 7317224, 12805142, 25610284, 51220568]

約数ペア:

[(1, 51220568), (2, 25610284), (4, 12805142), (7, 7317224), (8, 6402571), (14, 3658612), (28, 1829306), (43, 1191176), (56, 914653), (86, 595588), (89, 575512), (172, 297794), (178, 287756), (239, 214312), (301, 170168), (344, 148897), (356, 143878), (478, 107156), (602, 85084), (623, 82216), (712, 71939), (956, 53578), (1204, 42542), (1246, 41108), (1673, 30616), (1912, 26789), (2408, 21271), (2492, 20554), (3346, 15308), (3827, 13384), (4984, 10277), (6692, 7654)]