40640706

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 90285624

約数和(自身を除く): 49644918

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 157, 197, 219, 314, 394, 438, 471, 591, 657, 942, 1182, 1314, 1413, 1773, 2826, 3546, 11461, 14381, 22922, 28762, 30929, 34383, 43143, 61858, 68766, 86286, 92787, 103149, 129429, 185574, 206298, 258858, 278361, 556722, 2257817, 4515634, 6773451, 13546902, 20320353, 40640706]

約数ペア:

[(1, 40640706), (2, 20320353), (3, 13546902), (6, 6773451), (9, 4515634), (18, 2257817), (73, 556722), (146, 278361), (157, 258858), (197, 206298), (219, 185574), (314, 129429), (394, 103149), (438, 92787), (471, 86286), (591, 68766), (657, 61858), (942, 43143), (1182, 34383), (1314, 30929), (1413, 28762), (1773, 22922), (2826, 14381), (3546, 11461)]