256225916

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1429

約数の個数: 24

約数和(自身を含む): 452251296

約数和(自身を除く): 196025380

約数列:

[1, 2, 4, 257, 281, 514, 562, 887, 1028, 1124, 1774, 3548, 72217, 144434, 227959, 249247, 288868, 455918, 498494, 911836, 996988, 64056479, 128112958, 256225916]

約数ペア:

[(1, 256225916), (2, 128112958), (4, 64056479), (257, 996988), (281, 911836), (514, 498494), (562, 455918), (887, 288868), (1028, 249247), (1124, 227959), (1774, 144434), (3548, 72217)]