28259136

素因数分解:

$2^6\times 3^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:780

約数の個数: 84

約数和(自身を含む): 82259424

約数和(自身を除く): 54000288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 142, 144, 192, 213, 284, 288, 426, 568, 576, 639, 691, 852, 1136, 1278, 1382, 1704, 2073, 2272, 2556, 2764, 3408, 4146, 4544, 5112, 5528, 6219, 6816, 8292, 10224, 11056, 12438, 13632, 16584, 20448, 22112, 24876, 33168, 40896, 44224, 49061, 49752, 66336, 98122, 99504, 132672, 147183, 196244, 199008, 294366, 392488, 398016, 441549, 588732, 784976, 883098, 1177464, 1569952, 1766196, 2354928, 3139904, 3532392, 4709856, 7064784, 9419712, 14129568, 28259136]

約数ペア:

[(1, 28259136), (2, 14129568), (3, 9419712), (4, 7064784), (6, 4709856), (8, 3532392), (9, 3139904), (12, 2354928), (16, 1766196), (18, 1569952), (24, 1177464), (32, 883098), (36, 784976), (48, 588732), (64, 441549), (71, 398016), (72, 392488), (96, 294366), (142, 199008), (144, 196244), (192, 147183), (213, 132672), (284, 99504), (288, 98122), (426, 66336), (568, 49752), (576, 49061), (639, 44224), (691, 40896), (852, 33168), (1136, 24876), (1278, 22112), (1382, 20448), (1704, 16584), (2073, 13632), (2272, 12438), (2556, 11056), (2764, 10224), (3408, 8292), (4146, 6816), (4544, 6219), (5112, 5528)]