28396945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 8812655

約数列:

[1, 5, 29, 37, 67, 79, 145, 185, 335, 395, 1073, 1943, 2291, 2479, 2923, 5293, 5365, 9715, 11455, 12395, 14615, 26465, 71891, 84767, 153497, 195841, 359455, 423835, 767485, 979205, 5679389, 28396945]

約数ペア:

[(1, 28396945), (5, 5679389), (29, 979205), (37, 767485), (67, 423835), (79, 359455), (145, 195841), (185, 153497), (335, 84767), (395, 71891), (1073, 26465), (1943, 14615), (2291, 12395), (2479, 11455), (2923, 9715), (5293, 5365)]