15778516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 36

約数和(自身を含む): 31681692

約数和(自身を除く): 15903176

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1373, 2746, 2873, 5492, 5746, 11492, 17849, 23341, 35698, 46682, 71396, 93364, 232037, 303433, 464074, 606866, 928148, 1213732, 3944629, 7889258, 15778516]

約数ペア:

[(1, 15778516), (2, 7889258), (4, 3944629), (13, 1213732), (17, 928148), (26, 606866), (34, 464074), (52, 303433), (68, 232037), (169, 93364), (221, 71396), (338, 46682), (442, 35698), (676, 23341), (884, 17849), (1373, 11492), (2746, 5746), (2873, 5492)]