221455868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{126691}}^1$

素因数の和:126737

約数の個数: 24

約数和(自身を含む): 425685120

約数和(自身を除く): 204229252

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 126691, 253382, 506764, 2407129, 2913893, 4814258, 5827786, 9628516, 11655572, 55363967, 110727934, 221455868]

約数ペア:

[(1, 221455868), (2, 110727934), (4, 55363967), (19, 11655572), (23, 9628516), (38, 5827786), (46, 4814258), (76, 2913893), (92, 2407129), (437, 506764), (874, 253382), (1748, 126691)]