281028816

素因数分解:

$2^4\times 3^2\times {\mathrm{499}}^1\times {\mathrm{3911}}^1$

素因数の和:4424

約数の個数: 60

約数和(自身を含む): 788268000

約数和(自身を除く): 507239184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 499, 998, 1497, 1996, 2994, 3911, 3992, 4491, 5988, 7822, 7984, 8982, 11733, 11976, 15644, 17964, 23466, 23952, 31288, 35199, 35928, 46932, 62576, 70398, 71856, 93864, 140796, 187728, 281592, 563184, 1951589, 3903178, 5854767, 7806356, 11709534, 15612712, 17564301, 23419068, 31225424, 35128602, 46838136, 70257204, 93676272, 140514408, 281028816]

約数ペア:

[(1, 281028816), (2, 140514408), (3, 93676272), (4, 70257204), (6, 46838136), (8, 35128602), (9, 31225424), (12, 23419068), (16, 17564301), (18, 15612712), (24, 11709534), (36, 7806356), (48, 5854767), (72, 3903178), (144, 1951589), (499, 563184), (998, 281592), (1497, 187728), (1996, 140796), (2994, 93864), (3911, 71856), (3992, 70398), (4491, 62576), (5988, 46932), (7822, 35928), (7984, 35199), (8982, 31288), (11733, 23952), (11976, 23466), (15644, 17964)]