398665736

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{66533}}^1$

素因数の和:66653

約数の個数: 32

約数和(自身を含む): 862280640

約数和(自身を除く): 463614904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 5992, 66533, 133066, 266132, 465731, 532264, 931462, 1862924, 3725848, 7119031, 14238062, 28476124, 49833217, 56952248, 99666434, 199332868, 398665736]

約数ペア:

[(1, 398665736), (2, 199332868), (4, 99666434), (7, 56952248), (8, 49833217), (14, 28476124), (28, 14238062), (56, 7119031), (107, 3725848), (214, 1862924), (428, 931462), (749, 532264), (856, 465731), (1498, 266132), (2996, 133066), (5992, 66533)]