28287084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1409}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 75801600

約数和(自身を除く): 47514516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1409, 1434, 1673, 2818, 2868, 3346, 4227, 5019, 5636, 6692, 8454, 9863, 10038, 16908, 19726, 20076, 29589, 39452, 59178, 118356, 336751, 673502, 1010253, 1347004, 2020506, 2357257, 4041012, 4714514, 7071771, 9429028, 14143542, 28287084]

約数ペア:

[(1, 28287084), (2, 14143542), (3, 9429028), (4, 7071771), (6, 4714514), (7, 4041012), (12, 2357257), (14, 2020506), (21, 1347004), (28, 1010253), (42, 673502), (84, 336751), (239, 118356), (478, 59178), (717, 39452), (956, 29589), (1409, 20076), (1434, 19726), (1673, 16908), (2818, 10038), (2868, 9863), (3346, 8454), (4227, 6692), (5019, 5636)]