123404988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 336047488

約数和(自身を除く): 212642500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 523, 636, 742, 1046, 1113, 1484, 1569, 2092, 2226, 2809, 3138, 3661, 4452, 5618, 6276, 7322, 8427, 10983, 11236, 14644, 16854, 19663, 21966, 27719, 33708, 39326, 43932, 55438, 58989, 78652, 83157, 110876, 117978, 166314, 194033, 235956, 332628, 388066, 582099, 776132, 1164198, 1469107, 2328396, 2938214, 4407321, 5876428, 8814642, 10283749, 17629284, 20567498, 30851247, 41134996, 61702494, 123404988]

約数ペア:

[(1, 123404988), (2, 61702494), (3, 41134996), (4, 30851247), (6, 20567498), (7, 17629284), (12, 10283749), (14, 8814642), (21, 5876428), (28, 4407321), (42, 2938214), (53, 2328396), (84, 1469107), (106, 1164198), (159, 776132), (212, 582099), (318, 388066), (371, 332628), (523, 235956), (636, 194033), (742, 166314), (1046, 117978), (1113, 110876), (1484, 83157), (1569, 78652), (2092, 58989), (2226, 55438), (2809, 43932), (3138, 39326), (3661, 33708), (4452, 27719), (5618, 21966), (6276, 19663), (7322, 16854), (8427, 14644), (10983, 11236)]