2478907921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1\times {\mathrm{21997}}^1$

素因数の和:22968

約数の個数: 16

約数和(自身を含む): 3002990976

約数和(自身を除く): 524083055

約数列:

[1, 7, 17, 119, 947, 6629, 16099, 21997, 112693, 153979, 373949, 2617643, 20831159, 145818113, 354129703, 2478907921]

約数ペア:

[(1, 2478907921), (7, 354129703), (17, 145818113), (119, 20831159), (947, 2617643), (6629, 373949), (16099, 153979), (21997, 112693)]