260245328

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{20563}}^1$

素因数の和:20691

約数の個数: 40

約数和(自身を含む): 581385408

約数和(自身を除く): 321140080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 20563, 41126, 82252, 143941, 164504, 287882, 329008, 575764, 1151528, 2303056, 2323619, 4647238, 9294476, 16265333, 18588952, 32530666, 37177904, 65061332, 130122664, 260245328]

約数ペア:

[(1, 260245328), (2, 130122664), (4, 65061332), (7, 37177904), (8, 32530666), (14, 18588952), (16, 16265333), (28, 9294476), (56, 4647238), (112, 2323619), (113, 2303056), (226, 1151528), (452, 575764), (791, 329008), (904, 287882), (1582, 164504), (1808, 143941), (3164, 82252), (6328, 41126), (12656, 20563)]