998505456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{3259}}^1$

素因数の和:3774

約数の個数: 80

約数和(自身を含む): 2784405120

約数和(自身を除く): 1785899664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 491, 624, 982, 1473, 1964, 2946, 3259, 3928, 5892, 6383, 6518, 7856, 9777, 11784, 12766, 13036, 19149, 19554, 23568, 25532, 26072, 38298, 39108, 42367, 51064, 52144, 76596, 78216, 84734, 102128, 127101, 153192, 156432, 169468, 254202, 306384, 338936, 508404, 677872, 1016808, 1600169, 2033616, 3200338, 4800507, 6400676, 9601014, 12801352, 19202028, 20802197, 25602704, 38404056, 41604394, 62406591, 76808112, 83208788, 124813182, 166417576, 249626364, 332835152, 499252728, 998505456]

約数ペア:

[(1, 998505456), (2, 499252728), (3, 332835152), (4, 249626364), (6, 166417576), (8, 124813182), (12, 83208788), (13, 76808112), (16, 62406591), (24, 41604394), (26, 38404056), (39, 25602704), (48, 20802197), (52, 19202028), (78, 12801352), (104, 9601014), (156, 6400676), (208, 4800507), (312, 3200338), (491, 2033616), (624, 1600169), (982, 1016808), (1473, 677872), (1964, 508404), (2946, 338936), (3259, 306384), (3928, 254202), (5892, 169468), (6383, 156432), (6518, 153192), (7856, 127101), (9777, 102128), (11784, 84734), (12766, 78216), (13036, 76596), (19149, 52144), (19554, 51064), (23568, 42367), (25532, 39108), (26072, 38298)]