121215808

素因数分解:

$2^6\times 7^2\times {\mathrm{38653}}^1$

素因数の和:38679

約数の個数: 42

約数和(自身を含む): 279816306

約数和(自身を除く): 158600498

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 38653, 77306, 154612, 270571, 309224, 541142, 618448, 1082284, 1236896, 1893997, 2164568, 2473792, 3787994, 4329136, 7575988, 8658272, 15151976, 17316544, 30303952, 60607904, 121215808]

約数ペア:

[(1, 121215808), (2, 60607904), (4, 30303952), (7, 17316544), (8, 15151976), (14, 8658272), (16, 7575988), (28, 4329136), (32, 3787994), (49, 2473792), (56, 2164568), (64, 1893997), (98, 1236896), (112, 1082284), (196, 618448), (224, 541142), (392, 309224), (448, 270571), (784, 154612), (1568, 77306), (3136, 38653)]