681284.0000000

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{383}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 12042240

約数和(自身を除く): 5551156

約数列:

[1, 2, 4, 19, 38, 76, 223, 383, 446, 766, 892, 1532, 4237, 7277, 8474, 14554, 16948, 29108, 85409, 170818, 341636, 1622771, 3245542, 6491084]

約数ペア:

[(1, 6491084), (2, 3245542), (4, 1622771), (19, 341636), (38, 170818), (76, 85409), (223, 29108), (383, 16948), (446, 14554), (766, 8474), (892, 7277), (1532, 4237)]