640749696

素因数分解:

$2^7\times 3^1\times {\mathrm{1668619}}^1$

素因数の和:1668636

約数の個数: 32

約数和(自身を含む): 1701992400

約数和(自身を除く): 1061242704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1668619, 3337238, 5005857, 6674476, 10011714, 13348952, 20023428, 26697904, 40046856, 53395808, 80093712, 106791616, 160187424, 213583232, 320374848, 640749696]

約数ペア:

[(1, 640749696), (2, 320374848), (3, 213583232), (4, 160187424), (6, 106791616), (8, 80093712), (12, 53395808), (16, 40046856), (24, 26697904), (32, 20023428), (48, 13348952), (64, 10011714), (96, 6674476), (128, 5005857), (192, 3337238), (384, 1668619)]