31038896

素因数分解:

$2^4\times 7^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 68995584

約数和(自身を除く): 37956688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 431, 643, 862, 1286, 1724, 2572, 3017, 3448, 4501, 5144, 6034, 6896, 9002, 10288, 12068, 18004, 24136, 36008, 48272, 72016, 277133, 554266, 1108532, 1939931, 2217064, 3879862, 4434128, 7759724, 15519448, 31038896]

約数ペア:

[(1, 31038896), (2, 15519448), (4, 7759724), (7, 4434128), (8, 3879862), (14, 2217064), (16, 1939931), (28, 1108532), (56, 554266), (112, 277133), (431, 72016), (643, 48272), (862, 36008), (1286, 24136), (1724, 18004), (2572, 12068), (3017, 10288), (3448, 9002), (4501, 6896), (5144, 6034)]