388166128

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{111799}}^1$

素因数の和:111845

約数の個数: 40

約数和(自身を含む): 887244800

約数和(自身を除く): 499078672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 111799, 223598, 447196, 782593, 894392, 1565186, 1788784, 3130372, 3465769, 6260744, 6931538, 12521488, 13863076, 24260383, 27726152, 48520766, 55452304, 97041532, 194083064, 388166128]

約数ペア:

[(1, 388166128), (2, 194083064), (4, 97041532), (7, 55452304), (8, 48520766), (14, 27726152), (16, 24260383), (28, 13863076), (31, 12521488), (56, 6931538), (62, 6260744), (112, 3465769), (124, 3130372), (217, 1788784), (248, 1565186), (434, 894392), (496, 782593), (868, 447196), (1736, 223598), (3472, 111799)]