1280804

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 2587200

約数和(自身を除く): 1306396

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 307, 596, 614, 1043, 1228, 2086, 2149, 4172, 4298, 8596, 45743, 91486, 182972, 320201, 640402, 1280804]

約数ペア:

[(1, 1280804), (2, 640402), (4, 320201), (7, 182972), (14, 91486), (28, 45743), (149, 8596), (298, 4298), (307, 4172), (596, 2149), (614, 2086), (1043, 1228)]