390018256

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{8461}}^1$

素因数の和:8579

約数の個数: 40

約数和(自身を含む): 784867424

約数和(自身を除く): 394849168

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 344, 536, 688, 1072, 2881, 5762, 8461, 11524, 16922, 23048, 33844, 46096, 67688, 135376, 363823, 566887, 727646, 1133774, 1455292, 2267548, 2910584, 4535096, 5821168, 9070192, 24376141, 48752282, 97504564, 195009128, 390018256]

約数ペア:

[(1, 390018256), (2, 195009128), (4, 97504564), (8, 48752282), (16, 24376141), (43, 9070192), (67, 5821168), (86, 4535096), (134, 2910584), (172, 2267548), (268, 1455292), (344, 1133774), (536, 727646), (688, 566887), (1072, 363823), (2881, 135376), (5762, 67688), (8461, 46096), (11524, 33844), (16922, 23048)]