1218031808

素因数分解:

$2^6\times 7^2\times {\mathrm{388403}}^1$

素因数の和:388429

約数の個数: 42

約数和(自身を含む): 2811656556

約数和(自身を除く): 1593624748

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 388403, 776806, 1553612, 2718821, 3107224, 5437642, 6214448, 10875284, 12428896, 19031747, 21750568, 24857792, 38063494, 43501136, 76126988, 87002272, 152253976, 174004544, 304507952, 609015904, 1218031808]

約数ペア:

[(1, 1218031808), (2, 609015904), (4, 304507952), (7, 174004544), (8, 152253976), (14, 87002272), (16, 76126988), (28, 43501136), (32, 38063494), (49, 24857792), (56, 21750568), (64, 19031747), (98, 12428896), (112, 10875284), (196, 6214448), (224, 5437642), (392, 3107224), (448, 2718821), (784, 1553612), (1568, 776806), (3136, 388403)]