28096478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 23328802

約数列:

[1, 2, 17, 19, 23, 31, 34, 38, 46, 61, 62, 122, 323, 391, 437, 527, 589, 646, 713, 782, 874, 1037, 1054, 1159, 1178, 1403, 1426, 1891, 2074, 2318, 2806, 3782, 7429, 10013, 12121, 13547, 14858, 19703, 20026, 23851, 24242, 26657, 27094, 32147, 35929, 39406, 43493, 47702, 53314, 64294, 71858, 86986, 230299, 453169, 460598, 610793, 739381, 826367, 906338, 1221586, 1478762, 1652734, 14048239, 28096478]

約数ペア:

[(1, 28096478), (2, 14048239), (17, 1652734), (19, 1478762), (23, 1221586), (31, 906338), (34, 826367), (38, 739381), (46, 610793), (61, 460598), (62, 453169), (122, 230299), (323, 86986), (391, 71858), (437, 64294), (527, 53314), (589, 47702), (646, 43493), (713, 39406), (782, 35929), (874, 32147), (1037, 27094), (1054, 26657), (1159, 24242), (1178, 23851), (1403, 20026), (1426, 19703), (1891, 14858), (2074, 13547), (2318, 12121), (2806, 10013), (3782, 7429)]