128966908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{242419}}^1$

素因数の和:242449

約数の個数: 24

約数和(自身を含む): 271510400

約数和(自身を除く): 142543492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 242419, 484838, 969676, 1696933, 3393866, 4605961, 6787732, 9211922, 18423844, 32241727, 64483454, 128966908]

約数ペア:

[(1, 128966908), (2, 64483454), (4, 32241727), (7, 18423844), (14, 9211922), (19, 6787732), (28, 4605961), (38, 3393866), (76, 1696933), (133, 969676), (266, 484838), (532, 242419)]