638007902

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{29573}}^1$

素因数の和:29672

約数の個数: 32

約数和(自身を含む): 1158354432

約数和(自身を除く): 520346530

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 938, 1541, 3082, 10787, 21574, 29573, 59146, 207011, 414022, 680179, 1360358, 1981391, 3962782, 4761253, 9522506, 13869737, 27739474, 45571993, 91143986, 319003951, 638007902]

約数ペア:

[(1, 638007902), (2, 319003951), (7, 91143986), (14, 45571993), (23, 27739474), (46, 13869737), (67, 9522506), (134, 4761253), (161, 3962782), (322, 1981391), (469, 1360358), (938, 680179), (1541, 414022), (3082, 207011), (10787, 59146), (21574, 29573)]