871696

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 1985984

約数和(自身を除く): 1114288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 181, 301, 344, 362, 602, 688, 724, 1204, 1267, 1448, 2408, 2534, 2896, 4816, 5068, 7783, 10136, 15566, 20272, 31132, 54481, 62264, 108962, 124528, 217924, 435848, 871696]

約数ペア:

[(1, 871696), (2, 435848), (4, 217924), (7, 124528), (8, 108962), (14, 62264), (16, 54481), (28, 31132), (43, 20272), (56, 15566), (86, 10136), (112, 7783), (172, 5068), (181, 4816), (301, 2896), (344, 2534), (362, 2408), (602, 1448), (688, 1267), (724, 1204)]