15689968

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4519}}^1$

素因数の和:4565

約数の個数: 40

約数和(自身を含む): 35870720

約数和(自身を除く): 20180752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 4519, 9038, 18076, 31633, 36152, 63266, 72304, 126532, 140089, 253064, 280178, 506128, 560356, 980623, 1120712, 1961246, 2241424, 3922492, 7844984, 15689968]

約数ペア:

[(1, 15689968), (2, 7844984), (4, 3922492), (7, 2241424), (8, 1961246), (14, 1120712), (16, 980623), (28, 560356), (31, 506128), (56, 280178), (62, 253064), (112, 140089), (124, 126532), (217, 72304), (248, 63266), (434, 36152), (496, 31633), (868, 18076), (1736, 9038), (3472, 4519)]