42655208

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 81648000

約数和(自身を除く): 38992792

約数列:

[1, 2, 4, 8, 89, 139, 178, 278, 356, 431, 556, 712, 862, 1112, 1724, 3448, 12371, 24742, 38359, 49484, 59909, 76718, 98968, 119818, 153436, 239636, 306872, 479272, 5331901, 10663802, 21327604, 42655208]

約数ペア:

[(1, 42655208), (2, 21327604), (4, 10663802), (8, 5331901), (89, 479272), (139, 306872), (178, 239636), (278, 153436), (356, 119818), (431, 98968), (556, 76718), (712, 59909), (862, 49484), (1112, 38359), (1724, 24742), (3448, 12371)]