8459906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 17031168

約数和(自身を除く): 8571262

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 47, 86, 91, 94, 161, 182, 299, 301, 322, 329, 559, 598, 602, 611, 658, 989, 1081, 1118, 1222, 1978, 2021, 2093, 2162, 3913, 4042, 4186, 4277, 6923, 7567, 7826, 8554, 12857, 13846, 14053, 14147, 15134, 25714, 26273, 28106, 28294, 46483, 52546, 89999, 92966, 98371, 179998, 183911, 196742, 325381, 367822, 604279, 650762, 1208558, 4229953, 8459906]

約数ペア:

[(1, 8459906), (2, 4229953), (7, 1208558), (13, 650762), (14, 604279), (23, 367822), (26, 325381), (43, 196742), (46, 183911), (47, 179998), (86, 98371), (91, 92966), (94, 89999), (161, 52546), (182, 46483), (299, 28294), (301, 28106), (322, 26273), (329, 25714), (559, 15134), (598, 14147), (602, 14053), (611, 13846), (658, 12857), (989, 8554), (1081, 7826), (1118, 7567), (1222, 6923), (1978, 4277), (2021, 4186), (2093, 4042), (2162, 3913)]