28318192

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 39177488

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 107, 112, 119, 136, 139, 214, 238, 272, 278, 428, 476, 556, 749, 856, 952, 973, 1112, 1498, 1712, 1819, 1904, 1946, 2224, 2363, 2996, 3638, 3892, 4726, 5992, 7276, 7784, 9452, 11984, 12733, 14552, 14873, 15568, 16541, 18904, 25466, 29104, 29746, 33082, 37808, 50932, 59492, 66164, 101864, 104111, 118984, 132328, 203728, 208222, 237968, 252841, 264656, 416444, 505682, 832888, 1011364, 1665776, 1769887, 2022728, 3539774, 4045456, 7079548, 14159096, 28318192]

約数ペア:

[(1, 28318192), (2, 14159096), (4, 7079548), (7, 4045456), (8, 3539774), (14, 2022728), (16, 1769887), (17, 1665776), (28, 1011364), (34, 832888), (56, 505682), (68, 416444), (107, 264656), (112, 252841), (119, 237968), (136, 208222), (139, 203728), (214, 132328), (238, 118984), (272, 104111), (278, 101864), (428, 66164), (476, 59492), (556, 50932), (749, 37808), (856, 33082), (952, 29746), (973, 29104), (1112, 25466), (1498, 18904), (1712, 16541), (1819, 15568), (1904, 14873), (1946, 14552), (2224, 12733), (2363, 11984), (2996, 9452), (3638, 7784), (3892, 7276), (4726, 5992)]