261462110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{287321}}^1$

素因数の和:287348

約数の個数: 32

約数和(自身を含む): 579241152

約数和(自身を除く): 317779042

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 287321, 574642, 1436605, 2011247, 2873210, 3735173, 4022494, 7470346, 10056235, 18675865, 20112470, 26146211, 37351730, 52292422, 130731055, 261462110]

約数ペア:

[(1, 261462110), (2, 130731055), (5, 52292422), (7, 37351730), (10, 26146211), (13, 20112470), (14, 18675865), (26, 10056235), (35, 7470346), (65, 4022494), (70, 3735173), (91, 2873210), (130, 2011247), (182, 1436605), (455, 574642), (910, 287321)]