28939253

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 20

約数和(自身を含む): 35796780

約数和(自身を除く): 6857527

約数列:

[1, 7, 17, 49, 119, 343, 709, 833, 2401, 4963, 5831, 12053, 34741, 40817, 84371, 243187, 590597, 1702309, 4134179, 28939253]

約数ペア:

[(1, 28939253), (7, 4134179), (17, 1702309), (49, 590597), (119, 243187), (343, 84371), (709, 40817), (833, 34741), (2401, 12053), (4963, 5831)]