989792804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{247201}}^1$

素因数の和:247236

約数の個数: 48

約数和(自身を含む): 2325676416

約数和(自身を除く): 1335883612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 247201, 494402, 988804, 1730407, 2719211, 3213613, 3460814, 5438422, 6427226, 6921628, 10876844, 12854452, 19034477, 22495291, 35349743, 38068954, 44990582, 70699486, 76137908, 89981164, 141398972, 247448201, 494896402, 989792804]

約数ペア:

[(1, 989792804), (2, 494896402), (4, 247448201), (7, 141398972), (11, 89981164), (13, 76137908), (14, 70699486), (22, 44990582), (26, 38068954), (28, 35349743), (44, 22495291), (52, 19034477), (77, 12854452), (91, 10876844), (143, 6921628), (154, 6427226), (182, 5438422), (286, 3460814), (308, 3213613), (364, 2719211), (572, 1730407), (1001, 988804), (2002, 494402), (4004, 247201)]