42990145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 58164480

約数和(自身を除く): 15174335

約数列:

[1, 5, 11, 55, 71, 101, 109, 355, 505, 545, 781, 1111, 1199, 3905, 5555, 5995, 7171, 7739, 11009, 35855, 38695, 55045, 78881, 85129, 121099, 394405, 425645, 605495, 781639, 3908195, 8598029, 42990145]

約数ペア:

[(1, 42990145), (5, 8598029), (11, 3908195), (55, 781639), (71, 605495), (101, 425645), (109, 394405), (355, 121099), (505, 85129), (545, 78881), (781, 55045), (1111, 38695), (1199, 35855), (3905, 11009), (5555, 7739), (5995, 7171)]