31297518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1941

約数の個数: 48

約数和(自身を含む): 78099840

約数和(自身を除く): 46802322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1787, 1946, 2502, 2919, 3574, 5361, 5838, 8757, 10722, 12509, 16083, 17514, 25018, 32166, 37527, 75054, 112581, 225162, 248393, 496786, 745179, 1490358, 1738751, 2235537, 3477502, 4471074, 5216253, 10432506, 15648759, 31297518]

約数ペア:

[(1, 31297518), (2, 15648759), (3, 10432506), (6, 5216253), (7, 4471074), (9, 3477502), (14, 2235537), (18, 1738751), (21, 1490358), (42, 745179), (63, 496786), (126, 248393), (139, 225162), (278, 112581), (417, 75054), (834, 37527), (973, 32166), (1251, 25018), (1787, 17514), (1946, 16083), (2502, 12509), (2919, 10722), (3574, 8757), (5361, 5838)]