129866254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15749}}^1$

素因数の和:15808

約数の個数: 32

約数和(自身を含む): 241920000

約数和(自身を除く): 112053746

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 133, 217, 266, 434, 589, 1178, 4123, 8246, 15749, 31498, 110243, 220486, 299231, 488219, 598462, 976438, 2094617, 3417533, 4189234, 6835066, 9276161, 18552322, 64933127, 129866254]

約数ペア:

[(1, 129866254), (2, 64933127), (7, 18552322), (14, 9276161), (19, 6835066), (31, 4189234), (38, 3417533), (62, 2094617), (133, 976438), (217, 598462), (266, 488219), (434, 299231), (589, 220486), (1178, 110243), (4123, 31498), (8246, 15749)]