261796645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 355680000

約数和(自身を除く): 93883355

約数列:

[1, 5, 11, 37, 55, 103, 185, 407, 515, 1133, 1249, 2035, 3811, 5665, 6245, 13739, 19055, 41921, 46213, 68695, 128647, 209605, 231065, 508343, 643235, 1415117, 2541715, 4759939, 7075585, 23799695, 52359329, 261796645]

約数ペア:

[(1, 261796645), (5, 52359329), (11, 23799695), (37, 7075585), (55, 4759939), (103, 2541715), (185, 1415117), (407, 643235), (515, 508343), (1133, 231065), (1249, 209605), (2035, 128647), (3811, 68695), (5665, 46213), (6245, 41921), (13739, 19055)]