78234772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 175700448

約数和(自身を除く): 97465676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 131, 154, 196, 262, 277, 308, 524, 539, 554, 917, 1078, 1108, 1441, 1834, 1939, 2156, 2882, 3047, 3668, 3878, 5764, 6094, 6419, 7756, 10087, 12188, 12838, 13573, 20174, 21329, 25676, 27146, 36287, 40348, 42658, 54292, 70609, 72574, 85316, 141218, 145148, 149303, 254009, 282436, 298606, 399157, 508018, 597212, 798314, 1016036, 1596628, 1778063, 2794099, 3556126, 5588198, 7112252, 11176396, 19558693, 39117386, 78234772]

約数ペア:

[(1, 78234772), (2, 39117386), (4, 19558693), (7, 11176396), (11, 7112252), (14, 5588198), (22, 3556126), (28, 2794099), (44, 1778063), (49, 1596628), (77, 1016036), (98, 798314), (131, 597212), (154, 508018), (196, 399157), (262, 298606), (277, 282436), (308, 254009), (524, 149303), (539, 145148), (554, 141218), (917, 85316), (1078, 72574), (1108, 70609), (1441, 54292), (1834, 42658), (1939, 40348), (2156, 36287), (2882, 27146), (3047, 25676), (3668, 21329), (3878, 20174), (5764, 13573), (6094, 12838), (6419, 12188), (7756, 10087)]