428309584

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{21467}}^1$

素因数の和:21547

約数の個数: 40

約数和(自身を含む): 878470560

約数和(自身を除く): 450160976

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 4988, 9976, 19952, 21467, 42934, 85868, 171736, 343472, 622543, 923081, 1245086, 1846162, 2490172, 3692324, 4980344, 7384648, 9960688, 14769296, 26769349, 53538698, 107077396, 214154792, 428309584]

約数ペア:

[(1, 428309584), (2, 214154792), (4, 107077396), (8, 53538698), (16, 26769349), (29, 14769296), (43, 9960688), (58, 7384648), (86, 4980344), (116, 3692324), (172, 2490172), (232, 1846162), (344, 1245086), (464, 923081), (688, 622543), (1247, 343472), (2494, 171736), (4988, 85868), (9976, 42934), (19952, 21467)]