638274

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 1608768

約数和(自身を除く): 970494

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 167, 182, 273, 294, 334, 501, 546, 637, 1002, 1169, 1274, 1911, 2171, 2338, 3507, 3822, 4342, 6513, 7014, 8183, 13026, 15197, 16366, 24549, 30394, 45591, 49098, 91182, 106379, 212758, 319137, 638274]

約数ペア:

[(1, 638274), (2, 319137), (3, 212758), (6, 106379), (7, 91182), (13, 49098), (14, 45591), (21, 30394), (26, 24549), (39, 16366), (42, 15197), (49, 13026), (78, 8183), (91, 7014), (98, 6513), (147, 4342), (167, 3822), (182, 3507), (273, 2338), (294, 2171), (334, 1911), (501, 1274), (546, 1169), (637, 1002)]