128518412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 250736640

約数和(自身を除く): 122218228

約数列:

[1, 2, 4, 11, 22, 44, 109, 127, 211, 218, 254, 422, 436, 508, 844, 1199, 1397, 2321, 2398, 2794, 4642, 4796, 5588, 9284, 13843, 22999, 26797, 27686, 45998, 53594, 55372, 91996, 107188, 152273, 252989, 294767, 304546, 505978, 589534, 609092, 1011956, 1179068, 2920873, 5841746, 11683492, 32129603, 64259206, 128518412]

約数ペア:

[(1, 128518412), (2, 64259206), (4, 32129603), (11, 11683492), (22, 5841746), (44, 2920873), (109, 1179068), (127, 1011956), (211, 609092), (218, 589534), (254, 505978), (422, 304546), (436, 294767), (508, 252989), (844, 152273), (1199, 107188), (1397, 91996), (2321, 55372), (2398, 53594), (2794, 45998), (4642, 27686), (4796, 26797), (5588, 22999), (9284, 13843)]