3970928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 8780688

約数和(自身を除く): 4809760

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1123, 1768, 2246, 3536, 4492, 8984, 14599, 17968, 19091, 29198, 38182, 58396, 76364, 116792, 152728, 233584, 248183, 305456, 496366, 992732, 1985464, 3970928]

約数ペア:

[(1, 3970928), (2, 1985464), (4, 992732), (8, 496366), (13, 305456), (16, 248183), (17, 233584), (26, 152728), (34, 116792), (52, 76364), (68, 58396), (104, 38182), (136, 29198), (208, 19091), (221, 17968), (272, 14599), (442, 8984), (884, 4492), (1123, 3536), (1768, 2246)]