990147374

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1\times {\mathrm{3023}}^1$

素因数の和:3835

約数の個数: 16

約数和(自身を含む): 1493069760

約数和(自身を除く): 502922386

約数列:

[1, 2, 389, 421, 778, 842, 3023, 6046, 163769, 327538, 1175947, 1272683, 2351894, 2545366, 495073687, 990147374]

約数ペア:

[(1, 990147374), (2, 495073687), (389, 2545366), (421, 2351894), (778, 1272683), (842, 1175947), (3023, 327538), (6046, 163769)]