28445984

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^2\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 72

約数和(自身を含む): 66725568

約数和(自身を除く): 38279584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 151, 203, 224, 232, 302, 406, 464, 604, 812, 841, 928, 1057, 1208, 1624, 1682, 2114, 2416, 3248, 3364, 4228, 4379, 4832, 5887, 6496, 6728, 8456, 8758, 11774, 13456, 16912, 17516, 23548, 26912, 30653, 33824, 35032, 47096, 61306, 70064, 94192, 122612, 126991, 140128, 188384, 245224, 253982, 490448, 507964, 888937, 980896, 1015928, 1777874, 2031856, 3555748, 4063712, 7111496, 14222992, 28445984]

約数ペア:

[(1, 28445984), (2, 14222992), (4, 7111496), (7, 4063712), (8, 3555748), (14, 2031856), (16, 1777874), (28, 1015928), (29, 980896), (32, 888937), (56, 507964), (58, 490448), (112, 253982), (116, 245224), (151, 188384), (203, 140128), (224, 126991), (232, 122612), (302, 94192), (406, 70064), (464, 61306), (604, 47096), (812, 35032), (841, 33824), (928, 30653), (1057, 26912), (1208, 23548), (1624, 17516), (1682, 16912), (2114, 13456), (2416, 11774), (3248, 8758), (3364, 8456), (4228, 6728), (4379, 6496), (4832, 5887)]