81426338

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 147707064

約数和(自身を除く): 66280726

約数列:

[1, 2, 7, 14, 49, 53, 61, 98, 106, 122, 257, 371, 427, 514, 742, 854, 1799, 2597, 2989, 3233, 3598, 5194, 5978, 6466, 12593, 13621, 15677, 22631, 25186, 27242, 31354, 45262, 95347, 109739, 158417, 190694, 219478, 316834, 667429, 768173, 830881, 1334858, 1536346, 1661762, 5816167, 11632334, 40713169, 81426338]

約数ペア:

[(1, 81426338), (2, 40713169), (7, 11632334), (14, 5816167), (49, 1661762), (53, 1536346), (61, 1334858), (98, 830881), (106, 768173), (122, 667429), (257, 316834), (371, 219478), (427, 190694), (514, 158417), (742, 109739), (854, 95347), (1799, 45262), (2597, 31354), (2989, 27242), (3233, 25186), (3598, 22631), (5194, 15677), (5978, 13621), (6466, 12593)]