1390431056

素因数分解:

$2^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{24979}}^1$

素因数の和:25072

約数の個数: 60

約数和(自身を含む): 3178055520

約数和(自身を除く): 1787624464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 392, 497, 568, 784, 994, 1136, 1988, 3479, 3976, 6958, 7952, 13916, 24979, 27832, 49958, 55664, 99916, 174853, 199832, 349706, 399664, 699412, 1223971, 1398824, 1773509, 2447942, 2797648, 3547018, 4895884, 7094036, 9791768, 12414563, 14188072, 19583536, 24829126, 28376144, 49658252, 86901941, 99316504, 173803882, 198633008, 347607764, 695215528, 1390431056]

約数ペア:

[(1, 1390431056), (2, 695215528), (4, 347607764), (7, 198633008), (8, 173803882), (14, 99316504), (16, 86901941), (28, 49658252), (49, 28376144), (56, 24829126), (71, 19583536), (98, 14188072), (112, 12414563), (142, 9791768), (196, 7094036), (284, 4895884), (392, 3547018), (497, 2797648), (568, 2447942), (784, 1773509), (994, 1398824), (1136, 1223971), (1988, 699412), (3479, 399664), (3976, 349706), (6958, 199832), (7952, 174853), (13916, 99916), (24979, 55664), (27832, 49958)]