86857225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 134630272

約数和(自身を除く): 47773047

約数列:

[1, 5, 7, 13, 25, 35, 65, 73, 91, 175, 325, 365, 455, 511, 523, 949, 1825, 2275, 2555, 2615, 3661, 4745, 6643, 6799, 12775, 13075, 18305, 23725, 33215, 33995, 38179, 47593, 91525, 166075, 169975, 190895, 237965, 267253, 496327, 954475, 1189825, 1336265, 2481635, 3474289, 6681325, 12408175, 17371445, 86857225]

約数ペア:

[(1, 86857225), (5, 17371445), (7, 12408175), (13, 6681325), (25, 3474289), (35, 2481635), (65, 1336265), (73, 1189825), (91, 954475), (175, 496327), (325, 267253), (365, 237965), (455, 190895), (511, 169975), (523, 166075), (949, 91525), (1825, 47593), (2275, 38179), (2555, 33995), (2615, 33215), (3661, 23725), (4745, 18305), (6643, 13075), (6799, 12775)]