40561213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 54282240

約数和(自身を除く): 13721027

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 619, 851, 1771, 2849, 4333, 5957, 6809, 9361, 14237, 22903, 47663, 65527, 99659, 156607, 160321, 251933, 526769, 1096249, 1763531, 3687383, 5794459, 40561213]

約数ペア:

[(1, 40561213), (7, 5794459), (11, 3687383), (23, 1763531), (37, 1096249), (77, 526769), (161, 251933), (253, 160321), (259, 156607), (407, 99659), (619, 65527), (851, 47663), (1771, 22903), (2849, 14237), (4333, 9361), (5957, 6809)]