28400142

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 58095360

約数和(自身を除く): 29695218

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 326, 409, 426, 489, 818, 978, 1227, 2454, 11573, 23146, 29039, 34719, 58078, 66667, 69438, 87117, 133334, 174234, 200001, 400002, 4733357, 9466714, 14200071, 28400142]

約数ペア:

[(1, 28400142), (2, 14200071), (3, 9466714), (6, 4733357), (71, 400002), (142, 200001), (163, 174234), (213, 133334), (326, 87117), (409, 69438), (426, 66667), (489, 58078), (818, 34719), (978, 29039), (1227, 23146), (2454, 11573)]