128547468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11863}}^1$

素因数の和:11923

約数の個数: 72

約数和(自身を含む): 380027648

約数和(自身を除く): 251480180

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 11863, 23726, 35589, 47452, 71178, 83041, 106767, 142356, 166082, 213534, 249123, 332164, 427068, 498246, 510109, 747369, 996492, 1020218, 1494738, 1530327, 2040436, 2989476, 3060654, 3570763, 4590981, 6121308, 7141526, 9181962, 10712289, 14283052, 18363924, 21424578, 32136867, 42849156, 64273734, 128547468]

約数ペア:

[(1, 128547468), (2, 64273734), (3, 42849156), (4, 32136867), (6, 21424578), (7, 18363924), (9, 14283052), (12, 10712289), (14, 9181962), (18, 7141526), (21, 6121308), (28, 4590981), (36, 3570763), (42, 3060654), (43, 2989476), (63, 2040436), (84, 1530327), (86, 1494738), (126, 1020218), (129, 996492), (172, 747369), (252, 510109), (258, 498246), (301, 427068), (387, 332164), (516, 249123), (602, 213534), (774, 166082), (903, 142356), (1204, 106767), (1548, 83041), (1806, 71178), (2709, 47452), (3612, 35589), (5418, 23726), (10836, 11863)]