28654872

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 78172080

約数和(自身を除く): 49517208

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 61, 69, 74, 92, 111, 122, 138, 148, 183, 184, 222, 244, 276, 296, 366, 444, 488, 529, 552, 732, 851, 888, 1058, 1403, 1464, 1587, 1702, 2116, 2257, 2553, 2806, 3174, 3404, 4209, 4232, 4514, 5106, 5612, 6348, 6771, 6808, 8418, 9028, 10212, 11224, 12696, 13542, 16836, 18056, 19573, 20424, 27084, 32269, 33672, 39146, 51911, 54168, 58719, 64538, 78292, 96807, 103822, 117438, 129076, 155733, 156584, 193614, 207644, 234876, 258152, 311466, 387228, 415288, 469752, 622932, 774456, 1193953, 1245864, 2387906, 3581859, 4775812, 7163718, 9551624, 14327436, 28654872]

約数ペア:

[(1, 28654872), (2, 14327436), (3, 9551624), (4, 7163718), (6, 4775812), (8, 3581859), (12, 2387906), (23, 1245864), (24, 1193953), (37, 774456), (46, 622932), (61, 469752), (69, 415288), (74, 387228), (92, 311466), (111, 258152), (122, 234876), (138, 207644), (148, 193614), (183, 156584), (184, 155733), (222, 129076), (244, 117438), (276, 103822), (296, 96807), (366, 78292), (444, 64538), (488, 58719), (529, 54168), (552, 51911), (732, 39146), (851, 33672), (888, 32269), (1058, 27084), (1403, 20424), (1464, 19573), (1587, 18056), (1702, 16836), (2116, 13542), (2257, 12696), (2553, 11224), (2806, 10212), (3174, 9028), (3404, 8418), (4209, 6808), (4232, 6771), (4514, 6348), (5106, 5612)]