81541208

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9643}}^1$

素因数の和:9807

約数の個数: 32

約数和(自身を含む): 175906560

約数和(自身を除く): 94365352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 4228, 8456, 9643, 19286, 38572, 67501, 77144, 135002, 270004, 540008, 1456093, 2912186, 5824372, 10192651, 11648744, 20385302, 40770604, 81541208]

約数ペア:

[(1, 81541208), (2, 40770604), (4, 20385302), (7, 11648744), (8, 10192651), (14, 5824372), (28, 2912186), (56, 1456093), (151, 540008), (302, 270004), (604, 135002), (1057, 77144), (1208, 67501), (2114, 38572), (4228, 19286), (8456, 9643)]