687599328

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{550961}}^1$

素因数の和:550987

約数の個数: 48

約数和(自身を含む): 1943793936

約数和(自身を除く): 1256194608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 550961, 1101922, 1652883, 2203844, 3305766, 4407688, 6611532, 7162493, 8815376, 13223064, 14324986, 17630752, 21487479, 26446128, 28649972, 42974958, 52892256, 57299944, 85949916, 114599888, 171899832, 229199776, 343799664, 687599328]

約数ペア:

[(1, 687599328), (2, 343799664), (3, 229199776), (4, 171899832), (6, 114599888), (8, 85949916), (12, 57299944), (13, 52892256), (16, 42974958), (24, 28649972), (26, 26446128), (32, 21487479), (39, 17630752), (48, 14324986), (52, 13223064), (78, 8815376), (96, 7162493), (104, 6611532), (156, 4407688), (208, 3305766), (312, 2203844), (416, 1652883), (624, 1101922), (1248, 550961)]