280015208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{16487}}^1$

素因数の和:16697

約数の個数: 32

約数和(自身を含む): 575760960

約数和(自身を除く): 295745752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 193, 386, 772, 1544, 2123, 4246, 8492, 16487, 16984, 32974, 65948, 131896, 181357, 362714, 725428, 1450856, 3181991, 6363982, 12727964, 25455928, 35001901, 70003802, 140007604, 280015208]

約数ペア:

[(1, 280015208), (2, 140007604), (4, 70003802), (8, 35001901), (11, 25455928), (22, 12727964), (44, 6363982), (88, 3181991), (193, 1450856), (386, 725428), (772, 362714), (1544, 181357), (2123, 131896), (4246, 65948), (8492, 32974), (16487, 16984)]