278941656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1660367}}^1$

素因数の和:1660383

約数の個数: 32

約数和(自身を含む): 796976640

約数和(自身を除く): 518034984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1660367, 3320734, 4981101, 6641468, 9962202, 11622569, 13282936, 19924404, 23245138, 34867707, 39848808, 46490276, 69735414, 92980552, 139470828, 278941656]

約数ペア:

[(1, 278941656), (2, 139470828), (3, 92980552), (4, 69735414), (6, 46490276), (7, 39848808), (8, 34867707), (12, 23245138), (14, 19924404), (21, 13282936), (24, 11622569), (28, 9962202), (42, 6641468), (56, 4981101), (84, 3320734), (168, 1660367)]