222721340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{43331}}^1$

素因数の和:43597

約数の個数: 24

約数和(自身を含む): 469545552

約数和(自身を除く): 246824212

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 43331, 86662, 173324, 216655, 433310, 866620, 11136067, 22272134, 44544268, 55680335, 111360670, 222721340]

約数ペア:

[(1, 222721340), (2, 111360670), (4, 55680335), (5, 44544268), (10, 22272134), (20, 11136067), (257, 866620), (514, 433310), (1028, 216655), (1285, 173324), (2570, 86662), (5140, 43331)]