2801008

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 6294240

約数和(自身を除く): 3493232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 281, 356, 562, 623, 712, 1124, 1246, 1424, 1967, 2248, 2492, 3934, 4496, 4984, 7868, 9968, 15736, 25009, 31472, 50018, 100036, 175063, 200072, 350126, 400144, 700252, 1400504, 2801008]

約数ペア:

[(1, 2801008), (2, 1400504), (4, 700252), (7, 400144), (8, 350126), (14, 200072), (16, 175063), (28, 100036), (56, 50018), (89, 31472), (112, 25009), (178, 15736), (281, 9968), (356, 7868), (562, 4984), (623, 4496), (712, 3934), (1124, 2492), (1246, 2248), (1424, 1967)]