261044891605

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1\times {\mathrm{541}}^1\times {\mathrm{733}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 327095772912

約数和(自身を除く): 66050881307

約数列:

[1, 5, 31, 137, 155, 541, 685, 733, 961, 2705, 3665, 4247, 4805, 16771, 21235, 22723, 74117, 83855, 100421, 113615, 131657, 370585, 396553, 502105, 519901, 658285, 704413, 1982765, 2297627, 2599505, 3113051, 3522065, 11488135, 12293143, 15565255, 54327761, 61465715, 71226437, 96504581, 271638805, 356132185, 381087433, 482522905, 1684160591, 1905437165, 8420802955, 52208978321, 261044891605]

約数ペア:

[(1, 261044891605), (5, 52208978321), (31, 8420802955), (137, 1905437165), (155, 1684160591), (541, 482522905), (685, 381087433), (733, 356132185), (961, 271638805), (2705, 96504581), (3665, 71226437), (4247, 61465715), (4805, 54327761), (16771, 15565255), (21235, 12293143), (22723, 11488135), (74117, 3522065), (83855, 3113051), (100421, 2599505), (113615, 2297627), (131657, 1982765), (370585, 704413), (396553, 658285), (502105, 519901)]