123729928

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 275742720

約数和(自身を除く): 152012792

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 263, 271, 434, 526, 542, 868, 1052, 1084, 1736, 1841, 1897, 2104, 2168, 3682, 3794, 7364, 7588, 8153, 8401, 14728, 15176, 16306, 16802, 32612, 33604, 57071, 58807, 65224, 67208, 71273, 114142, 117614, 142546, 228284, 235228, 285092, 456568, 470456, 498911, 570184, 997822, 1995644, 2209463, 3991288, 4418926, 8837852, 15466241, 17675704, 30932482, 61864964, 123729928]

約数ペア:

[(1, 123729928), (2, 61864964), (4, 30932482), (7, 17675704), (8, 15466241), (14, 8837852), (28, 4418926), (31, 3991288), (56, 2209463), (62, 1995644), (124, 997822), (217, 570184), (248, 498911), (263, 470456), (271, 456568), (434, 285092), (526, 235228), (542, 228284), (868, 142546), (1052, 117614), (1084, 114142), (1736, 71273), (1841, 67208), (1897, 65224), (2104, 58807), (2168, 57071), (3682, 33604), (3794, 32612), (7364, 16802), (7588, 16306), (8153, 15176), (8401, 14728)]