81805552

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{70039}}^1$

素因数の和:70120

約数の個数: 20

約数和(自身を含む): 160671760

約数和(自身を除く): 78866208

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 70039, 140078, 280156, 560312, 1120624, 5112847, 10225694, 20451388, 40902776, 81805552]

約数ペア:

[(1, 81805552), (2, 40902776), (4, 20451388), (8, 10225694), (16, 5112847), (73, 1120624), (146, 560312), (292, 280156), (584, 140078), (1168, 70039)]