261266702608

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{3271}}^1\times {\mathrm{74509}}^1$

素因数の和:77855

約数の個数: 40

約数和(自身を含む): 513923485760

約数和(自身を除く): 252656783152

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 3271, 6542, 13084, 26168, 52336, 74509, 149018, 219157, 298036, 438314, 596072, 876628, 1192144, 1753256, 3506512, 4992103, 9984206, 19968412, 39936824, 79873648, 243718939, 487437878, 974875756, 1949751512, 3899503024, 16329168913, 32658337826, 65316675652, 130633351304, 261266702608]

約数ペア:

[(1, 261266702608), (2, 130633351304), (4, 65316675652), (8, 32658337826), (16, 16329168913), (67, 3899503024), (134, 1949751512), (268, 974875756), (536, 487437878), (1072, 243718939), (3271, 79873648), (6542, 39936824), (13084, 19968412), (26168, 9984206), (52336, 4992103), (74509, 3506512), (149018, 1753256), (219157, 1192144), (298036, 876628), (438314, 596072)]