15990136

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 31284000

約数和(自身を除く): 15293864

約数列:

[1, 2, 4, 8, 29, 58, 116, 157, 232, 314, 439, 628, 878, 1256, 1756, 3512, 4553, 9106, 12731, 18212, 25462, 36424, 50924, 68923, 101848, 137846, 275692, 551384, 1998767, 3997534, 7995068, 15990136]

約数ペア:

[(1, 15990136), (2, 7995068), (4, 3997534), (8, 1998767), (29, 551384), (58, 275692), (116, 137846), (157, 101848), (232, 68923), (314, 50924), (439, 36424), (628, 25462), (878, 18212), (1256, 12731), (1756, 9106), (3512, 4553)]