66911888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{431}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 134562816

約数和(自身を除く): 67650928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 313, 431, 496, 626, 862, 1252, 1724, 2504, 3448, 5008, 6896, 9703, 13361, 19406, 26722, 38812, 53444, 77624, 106888, 134903, 155248, 213776, 269806, 539612, 1079224, 2158448, 4181993, 8363986, 16727972, 33455944, 66911888]

約数ペア:

[(1, 66911888), (2, 33455944), (4, 16727972), (8, 8363986), (16, 4181993), (31, 2158448), (62, 1079224), (124, 539612), (248, 269806), (313, 213776), (431, 155248), (496, 134903), (626, 106888), (862, 77624), (1252, 53444), (1724, 38812), (2504, 26722), (3448, 19406), (5008, 13361), (6896, 9703)]