28290444

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3701}}^1$

素因数の和:3735

約数の個数: 72

約数和(自身を含む): 82717488

約数和(自身を除く): 54427044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3701, 3822, 7402, 7644, 11103, 14804, 22206, 25907, 44412, 48113, 51814, 77721, 96226, 103628, 144339, 155442, 181349, 192452, 288678, 310884, 336791, 362698, 544047, 577356, 673582, 725396, 1010373, 1088094, 1347164, 2020746, 2176188, 2357537, 4041492, 4715074, 7072611, 9430148, 14145222, 28290444]

約数ペア:

[(1, 28290444), (2, 14145222), (3, 9430148), (4, 7072611), (6, 4715074), (7, 4041492), (12, 2357537), (13, 2176188), (14, 2020746), (21, 1347164), (26, 1088094), (28, 1010373), (39, 725396), (42, 673582), (49, 577356), (52, 544047), (78, 362698), (84, 336791), (91, 310884), (98, 288678), (147, 192452), (156, 181349), (182, 155442), (196, 144339), (273, 103628), (294, 96226), (364, 77721), (546, 51814), (588, 48113), (637, 44412), (1092, 25907), (1274, 22206), (1911, 14804), (2548, 11103), (3701, 7644), (3822, 7402)]