261569887748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{28901}}^1\times {\mathrm{174049}}^1$

素因数の和:202967

約数の個数: 24

約数和(自身を含む): 492978523800

約数和(自身を除く): 231408636052

約数列:

[1, 2, 4, 13, 26, 52, 28901, 57802, 115604, 174049, 348098, 375713, 696196, 751426, 1502852, 2262637, 4525274, 9050548, 5030190149, 10060380298, 20120760596, 65392471937, 130784943874, 261569887748]

約数ペア:

[(1, 261569887748), (2, 130784943874), (4, 65392471937), (13, 20120760596), (26, 10060380298), (52, 5030190149), (28901, 9050548), (57802, 4525274), (115604, 2262637), (174049, 1502852), (348098, 751426), (375713, 696196)]