28115290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5657}}^1$

素因数の和:5742

約数の個数: 32

約数和(自身を含む): 58662144

約数和(自身を除く): 30546854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 5657, 11314, 28285, 39599, 56570, 79198, 197995, 395990, 401647, 803294, 2008235, 2811529, 4016470, 5623058, 14057645, 28115290]

約数ペア:

[(1, 28115290), (2, 14057645), (5, 5623058), (7, 4016470), (10, 2811529), (14, 2008235), (35, 803294), (70, 401647), (71, 395990), (142, 197995), (355, 79198), (497, 56570), (710, 39599), (994, 28285), (2485, 11314), (4970, 5657)]