128518456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1289}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 267649200

約数和(自身を除く): 139130744

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 121, 206, 242, 412, 484, 824, 968, 1133, 1289, 2266, 2578, 4532, 5156, 9064, 10312, 12463, 14179, 24926, 28358, 49852, 56716, 99704, 113432, 132767, 155969, 265534, 311938, 531068, 623876, 1062136, 1247752, 1460437, 2920874, 5841748, 11683496, 16064807, 32129614, 64259228, 128518456]

約数ペア:

[(1, 128518456), (2, 64259228), (4, 32129614), (8, 16064807), (11, 11683496), (22, 5841748), (44, 2920874), (88, 1460437), (103, 1247752), (121, 1062136), (206, 623876), (242, 531068), (412, 311938), (484, 265534), (824, 155969), (968, 132767), (1133, 113432), (1289, 99704), (2266, 56716), (2578, 49852), (4532, 28358), (5156, 24926), (9064, 14179), (10312, 12463)]