209957156

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{673}}^1\times {\mathrm{3391}}^1$

素因数の和:4091

約数の個数: 24

約数和(自身を含む): 384082944

約数和(自身を除く): 174125788

約数列:

[1, 2, 4, 23, 46, 92, 673, 1346, 2692, 3391, 6782, 13564, 15479, 30958, 61916, 77993, 155986, 311972, 2282143, 4564286, 9128572, 52489289, 104978578, 209957156]

約数ペア:

[(1, 209957156), (2, 104978578), (4, 52489289), (23, 9128572), (46, 4564286), (92, 2282143), (673, 311972), (1346, 155986), (2692, 77993), (3391, 61916), (6782, 30958), (13564, 15479)]