81984268

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{16981}}^1$

素因数の和:17073

約数の個数: 24

約数和(自身を含む): 154060704

約数和(自身を除く): 72076436

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 16981, 33962, 67924, 288677, 577354, 1154708, 1205651, 2411302, 4822604, 20496067, 40992134, 81984268]

約数ペア:

[(1, 81984268), (2, 40992134), (4, 20496067), (17, 4822604), (34, 2411302), (68, 1205651), (71, 1154708), (142, 577354), (284, 288677), (1207, 67924), (2414, 33962), (4828, 16981)]