28553728

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 80

約数和(自身を含む): 67567104

約数和(自身を除く): 39013376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 257, 434, 448, 496, 512, 514, 868, 896, 992, 1028, 1736, 1792, 1799, 1984, 2056, 3472, 3584, 3598, 3968, 4112, 6944, 7196, 7936, 7967, 8224, 13888, 14392, 15872, 15934, 16448, 27776, 28784, 31868, 32896, 55552, 55769, 57568, 63736, 65792, 111104, 111538, 115136, 127472, 131584, 223076, 230272, 254944, 446152, 460544, 509888, 892304, 921088, 1019776, 1784608, 2039552, 3569216, 4079104, 7138432, 14276864, 28553728]

約数ペア:

[(1, 28553728), (2, 14276864), (4, 7138432), (7, 4079104), (8, 3569216), (14, 2039552), (16, 1784608), (28, 1019776), (31, 921088), (32, 892304), (56, 509888), (62, 460544), (64, 446152), (112, 254944), (124, 230272), (128, 223076), (217, 131584), (224, 127472), (248, 115136), (256, 111538), (257, 111104), (434, 65792), (448, 63736), (496, 57568), (512, 55769), (514, 55552), (868, 32896), (896, 31868), (992, 28784), (1028, 27776), (1736, 16448), (1792, 15934), (1799, 15872), (1984, 14392), (2056, 13888), (3472, 8224), (3584, 7967), (3598, 7936), (3968, 7196), (4112, 6944)]