871989328

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251149}}^1$

素因数の和:251195

約数の個数: 40

約数和(自身を含む): 1993126400

約数和(自身を除く): 1121137072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 251149, 502298, 1004596, 1758043, 2009192, 3516086, 4018384, 7032172, 7785619, 14064344, 15571238, 28128688, 31142476, 54499333, 62284952, 108998666, 124569904, 217997332, 435994664, 871989328]

約数ペア:

[(1, 871989328), (2, 435994664), (4, 217997332), (7, 124569904), (8, 108998666), (14, 62284952), (16, 54499333), (28, 31142476), (31, 28128688), (56, 15571238), (62, 14064344), (112, 7785619), (124, 7032172), (217, 4018384), (248, 3516086), (434, 2009192), (496, 1758043), (868, 1004596), (1736, 502298), (3472, 251149)]