387457902

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1723}}^1$

素因数の和:1806

約数の個数: 72

約数和(自身を含む): 934714872

約数和(自身を除く): 547256970

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 961, 1209, 1723, 1922, 2418, 2883, 3446, 3627, 5169, 5766, 7254, 8649, 10338, 12493, 15507, 17298, 22399, 24986, 31014, 37479, 44798, 53413, 67197, 74958, 106826, 112437, 134394, 160239, 201591, 224874, 320478, 403182, 480717, 694369, 961434, 1388738, 1655803, 2083107, 3311606, 4166214, 4967409, 6249321, 9934818, 12498642, 14902227, 21525439, 29804454, 43050878, 64576317, 129152634, 193728951, 387457902]

約数ペア:

[(1, 387457902), (2, 193728951), (3, 129152634), (6, 64576317), (9, 43050878), (13, 29804454), (18, 21525439), (26, 14902227), (31, 12498642), (39, 9934818), (62, 6249321), (78, 4967409), (93, 4166214), (117, 3311606), (186, 2083107), (234, 1655803), (279, 1388738), (403, 961434), (558, 694369), (806, 480717), (961, 403182), (1209, 320478), (1723, 224874), (1922, 201591), (2418, 160239), (2883, 134394), (3446, 112437), (3627, 106826), (5169, 74958), (5766, 67197), (7254, 53413), (8649, 44798), (10338, 37479), (12493, 31014), (15507, 24986), (17298, 22399)]