1857643004

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{20521}}^1$

素因数の和:20646

約数の個数: 48

約数和(自身を含む): 3847628736

約数和(自身を除く): 1989985732

約数列:

[1, 2, 4, 7, 14, 28, 53, 61, 106, 122, 212, 244, 371, 427, 742, 854, 1484, 1708, 3233, 6466, 12932, 20521, 22631, 41042, 45262, 82084, 90524, 143647, 287294, 574588, 1087613, 1251781, 2175226, 2503562, 4350452, 5007124, 7613291, 8762467, 15226582, 17524934, 30453164, 35049868, 66344393, 132688786, 265377572, 464410751, 928821502, 1857643004]

約数ペア:

[(1, 1857643004), (2, 928821502), (4, 464410751), (7, 265377572), (14, 132688786), (28, 66344393), (53, 35049868), (61, 30453164), (106, 17524934), (122, 15226582), (212, 8762467), (244, 7613291), (371, 5007124), (427, 4350452), (742, 2503562), (854, 2175226), (1484, 1251781), (1708, 1087613), (3233, 574588), (6466, 287294), (12932, 143647), (20521, 90524), (22631, 82084), (41042, 45262)]