664973324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{236477}}^1$

素因数の和:236537

約数の個数: 24

約数和(自身を含む): 1258062960

約数和(自身を除く): 593089636

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 236477, 472954, 945908, 4493063, 8749649, 8986126, 17499298, 17972252, 34998596, 166243331, 332486662, 664973324]

約数ペア:

[(1, 664973324), (2, 332486662), (4, 166243331), (19, 34998596), (37, 17972252), (38, 17499298), (74, 8986126), (76, 8749649), (148, 4493063), (703, 945908), (1406, 472954), (2812, 236477)]