28131635

素因数分解:

$5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 39535200

約数和(自身を除く): 11403565

約数列:

[1, 5, 7, 35, 49, 199, 245, 577, 995, 1393, 2885, 4039, 6965, 9751, 20195, 28273, 48755, 114823, 141365, 574115, 803761, 4018805, 5626327, 28131635]

約数ペア:

[(1, 28131635), (5, 5626327), (7, 4018805), (35, 803761), (49, 574115), (199, 141365), (245, 114823), (577, 48755), (995, 28273), (1393, 20195), (2885, 9751), (4039, 6965)]