28343328

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1747}}^1$

素因数の和:1786

約数の個数: 72

約数和(自身を含む): 80610768

約数和(自身を除く): 52267440

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 1747, 2028, 2704, 3494, 4056, 5241, 5408, 6988, 8112, 10482, 13976, 16224, 20964, 22711, 27952, 41928, 45422, 55904, 68133, 83856, 90844, 136266, 167712, 181688, 272532, 295243, 363376, 545064, 590486, 726752, 885729, 1090128, 1180972, 1771458, 2180256, 2361944, 3542916, 4723888, 7085832, 9447776, 14171664, 28343328]

約数ペア:

[(1, 28343328), (2, 14171664), (3, 9447776), (4, 7085832), (6, 4723888), (8, 3542916), (12, 2361944), (13, 2180256), (16, 1771458), (24, 1180972), (26, 1090128), (32, 885729), (39, 726752), (48, 590486), (52, 545064), (78, 363376), (96, 295243), (104, 272532), (156, 181688), (169, 167712), (208, 136266), (312, 90844), (338, 83856), (416, 68133), (507, 55904), (624, 45422), (676, 41928), (1014, 27952), (1248, 22711), (1352, 20964), (1747, 16224), (2028, 13976), (2704, 10482), (3494, 8112), (4056, 6988), (5241, 5408)]