139291208

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 308862720

約数和(自身を除く): 169571512

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 71, 106, 142, 212, 284, 371, 424, 497, 568, 661, 742, 994, 1322, 1484, 1988, 2644, 2968, 3763, 3976, 4627, 5288, 7526, 9254, 15052, 18508, 26341, 30104, 35033, 37016, 46931, 52682, 70066, 93862, 105364, 140132, 187724, 210728, 245231, 280264, 328517, 375448, 490462, 657034, 980924, 1314068, 1961848, 2487343, 2628136, 4974686, 9949372, 17411401, 19898744, 34822802, 69645604, 139291208]

約数ペア:

[(1, 139291208), (2, 69645604), (4, 34822802), (7, 19898744), (8, 17411401), (14, 9949372), (28, 4974686), (53, 2628136), (56, 2487343), (71, 1961848), (106, 1314068), (142, 980924), (212, 657034), (284, 490462), (371, 375448), (424, 328517), (497, 280264), (568, 245231), (661, 210728), (742, 187724), (994, 140132), (1322, 105364), (1484, 93862), (1988, 70066), (2644, 52682), (2968, 46931), (3763, 37016), (3976, 35033), (4627, 30104), (5288, 26341), (7526, 18508), (9254, 15052)]