1291280770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1\times {\mathrm{6653}}^1$

素因数の和:8166

約数の個数: 32

約数和(自身を含む): 2505151152

約数和(自身を除く): 1213870382

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1493, 2986, 6653, 7465, 13306, 14930, 19409, 33265, 38818, 66530, 86489, 97045, 172978, 194090, 432445, 864890, 9932929, 19865858, 49664645, 99329290, 129128077, 258256154, 645640385, 1291280770]

約数ペア:

[(1, 1291280770), (2, 645640385), (5, 258256154), (10, 129128077), (13, 99329290), (26, 49664645), (65, 19865858), (130, 9932929), (1493, 864890), (2986, 432445), (6653, 194090), (7465, 172978), (13306, 97045), (14930, 86489), (19409, 66530), (33265, 38818)]