28415975

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2287}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 40854528

約数和(自身を除く): 12438553

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1775, 2287, 2485, 11435, 12425, 16009, 57175, 80045, 162377, 400225, 811885, 1136639, 4059425, 5683195, 28415975]

約数ペア:

[(1, 28415975), (5, 5683195), (7, 4059425), (25, 1136639), (35, 811885), (71, 400225), (175, 162377), (355, 80045), (497, 57175), (1775, 16009), (2287, 12425), (2485, 11435)]