643979896

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 1408942080

約数和(自身を除く): 764962184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 103, 194, 206, 388, 412, 679, 721, 776, 824, 1151, 1358, 1442, 2302, 2716, 2884, 4604, 5432, 5768, 8057, 9208, 9991, 16114, 19982, 32228, 39964, 64456, 69937, 79928, 111647, 118553, 139874, 223294, 237106, 279748, 446588, 474212, 559496, 781529, 829871, 893176, 948424, 1563058, 1659742, 3126116, 3319484, 6252232, 6638968, 11499641, 22999282, 45998564, 80497487, 91997128, 160994974, 321989948, 643979896]

約数ペア:

[(1, 643979896), (2, 321989948), (4, 160994974), (7, 91997128), (8, 80497487), (14, 45998564), (28, 22999282), (56, 11499641), (97, 6638968), (103, 6252232), (194, 3319484), (206, 3126116), (388, 1659742), (412, 1563058), (679, 948424), (721, 893176), (776, 829871), (824, 781529), (1151, 559496), (1358, 474212), (1442, 446588), (2302, 279748), (2716, 237106), (2884, 223294), (4604, 139874), (5432, 118553), (5768, 111647), (8057, 79928), (9208, 69937), (9991, 64456), (16114, 39964), (19982, 32228)]