51784684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 108896256

約数和(自身を除く): 57111572

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 191, 322, 382, 421, 644, 764, 842, 1337, 1684, 2674, 2947, 4393, 5348, 5894, 8786, 9683, 11788, 17572, 19366, 30751, 38732, 61502, 67781, 80411, 123004, 135562, 160822, 271124, 321644, 562877, 1125754, 1849453, 2251508, 3698906, 7397812, 12946171, 25892342, 51784684]

約数ペア:

[(1, 51784684), (2, 25892342), (4, 12946171), (7, 7397812), (14, 3698906), (23, 2251508), (28, 1849453), (46, 1125754), (92, 562877), (161, 321644), (191, 271124), (322, 160822), (382, 135562), (421, 123004), (644, 80411), (764, 67781), (842, 61502), (1337, 38732), (1684, 30751), (2674, 19366), (2947, 17572), (4393, 11788), (5348, 9683), (5894, 8786)]