72281692

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 148442112

約数和(自身を除く): 76160420

約数列:

[1, 2, 4, 7, 14, 28, 71, 103, 142, 206, 284, 353, 412, 497, 706, 721, 994, 1412, 1442, 1988, 2471, 2884, 4942, 7313, 9884, 14626, 25063, 29252, 36359, 50126, 51191, 72718, 100252, 102382, 145436, 175441, 204764, 254513, 350882, 509026, 701764, 1018052, 2581489, 5162978, 10325956, 18070423, 36140846, 72281692]

約数ペア:

[(1, 72281692), (2, 36140846), (4, 18070423), (7, 10325956), (14, 5162978), (28, 2581489), (71, 1018052), (103, 701764), (142, 509026), (206, 350882), (284, 254513), (353, 204764), (412, 175441), (497, 145436), (706, 102382), (721, 100252), (994, 72718), (1412, 51191), (1442, 50126), (1988, 36359), (2471, 29252), (2884, 25063), (4942, 14626), (7313, 9884)]