348540647

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 472436160

約数和(自身を除く): 123895513

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 289, 377, 457, 493, 1547, 2023, 2639, 3199, 3451, 3757, 5941, 6409, 7769, 8381, 13253, 26299, 41587, 44863, 54383, 58667, 92771, 100997, 108953, 132073, 172289, 225301, 706979, 762671, 924511, 1206023, 1577107, 1716949, 2928913, 3830117, 12018643, 20502391, 26810819, 49791521, 348540647]

約数ペア:

[(1, 348540647), (7, 49791521), (13, 26810819), (17, 20502391), (29, 12018643), (91, 3830117), (119, 2928913), (203, 1716949), (221, 1577107), (289, 1206023), (377, 924511), (457, 762671), (493, 706979), (1547, 225301), (2023, 172289), (2639, 132073), (3199, 108953), (3451, 100997), (3757, 92771), (5941, 58667), (6409, 54383), (7769, 44863), (8381, 41587), (13253, 26299)]