81751072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10343}}^1$

素因数の和:10385

約数の個数: 48

約数和(自身を含む): 182468160

約数和(自身を除く): 100717088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 10343, 20686, 41372, 82744, 134459, 165488, 196517, 268918, 330976, 393034, 537836, 786068, 1075672, 1572136, 2151344, 2554721, 3144272, 4302688, 5109442, 6288544, 10218884, 20437768, 40875536, 81751072]

約数ペア:

[(1, 81751072), (2, 40875536), (4, 20437768), (8, 10218884), (13, 6288544), (16, 5109442), (19, 4302688), (26, 3144272), (32, 2554721), (38, 2151344), (52, 1572136), (76, 1075672), (104, 786068), (152, 537836), (208, 393034), (247, 330976), (304, 268918), (416, 196517), (494, 165488), (608, 134459), (988, 82744), (1976, 41372), (3952, 20686), (7904, 10343)]