2471975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 3414960

約数和(自身を除く): 942985

約数列:

[1, 5, 11, 25, 55, 89, 101, 275, 445, 505, 979, 1111, 2225, 2525, 4895, 5555, 8989, 24475, 27775, 44945, 98879, 224725, 494395, 2471975]

約数ペア:

[(1, 2471975), (5, 494395), (11, 224725), (25, 98879), (55, 44945), (89, 27775), (101, 24475), (275, 8989), (445, 5555), (505, 4895), (979, 2525), (1111, 2225)]