31331384

素因数分解:

$2^3\times 7^2\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 68824080

約数和(自身を除く): 37492696

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 257, 311, 392, 514, 622, 1028, 1244, 1799, 2056, 2177, 2488, 3598, 4354, 7196, 8708, 12593, 14392, 15239, 17416, 25186, 30478, 50372, 60956, 79927, 100744, 121912, 159854, 319708, 559489, 639416, 1118978, 2237956, 3916423, 4475912, 7832846, 15665692, 31331384]

約数ペア:

[(1, 31331384), (2, 15665692), (4, 7832846), (7, 4475912), (8, 3916423), (14, 2237956), (28, 1118978), (49, 639416), (56, 559489), (98, 319708), (196, 159854), (257, 121912), (311, 100744), (392, 79927), (514, 60956), (622, 50372), (1028, 30478), (1244, 25186), (1799, 17416), (2056, 15239), (2177, 14392), (2488, 12593), (3598, 8708), (4354, 7196)]