129208072

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{32497}}^1$

素因数の和:32581

約数の個数: 32

約数和(自身を含む): 280782720

約数和(自身を除く): 151574648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 32497, 64994, 129988, 227479, 259976, 454958, 909916, 1819832, 2307287, 4614574, 9229148, 16151009, 18458296, 32302018, 64604036, 129208072]

約数ペア:

[(1, 129208072), (2, 64604036), (4, 32302018), (7, 18458296), (8, 16151009), (14, 9229148), (28, 4614574), (56, 2307287), (71, 1819832), (142, 909916), (284, 454958), (497, 259976), (568, 227479), (994, 129988), (1988, 64994), (3976, 32497)]