28557076

素因数分解:

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

素因数の和:125

約数の個数: 72

約数和(自身を含む): 60056640

約数和(自身を除く): 31499564

約数列:

[1, 2, 4, 17, 19, 23, 31, 34, 38, 46, 62, 68, 76, 92, 124, 323, 391, 437, 527, 589, 646, 713, 782, 874, 961, 1054, 1178, 1292, 1426, 1564, 1748, 1922, 2108, 2356, 2852, 3844, 7429, 10013, 12121, 13547, 14858, 16337, 18259, 20026, 22103, 24242, 27094, 29716, 32674, 36518, 40052, 44206, 48484, 54188, 65348, 73036, 88412, 230299, 310403, 375751, 419957, 460598, 620806, 751502, 839914, 921196, 1241612, 1503004, 1679828, 7139269, 14278538, 28557076]

約数ペア:

[(1, 28557076), (2, 14278538), (4, 7139269), (17, 1679828), (19, 1503004), (23, 1241612), (31, 921196), (34, 839914), (38, 751502), (46, 620806), (62, 460598), (68, 419957), (76, 375751), (92, 310403), (124, 230299), (323, 88412), (391, 73036), (437, 65348), (527, 54188), (589, 48484), (646, 44206), (713, 40052), (782, 36518), (874, 32674), (961, 29716), (1054, 27094), (1178, 24242), (1292, 22103), (1426, 20026), (1564, 18259), (1748, 16337), (1922, 14858), (2108, 13547), (2356, 12121), (2852, 10013), (3844, 7429)]