1388391172

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1599529}}^1$

素因数の和:1599571

約数の個数: 24

約数和(自身を含む): 2866357760

約数和(自身を除く): 1477966588

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 1599529, 3199058, 6398116, 11196703, 22393406, 44786812, 49585399, 99170798, 198341596, 347097793, 694195586, 1388391172]

約数ペア:

[(1, 1388391172), (2, 694195586), (4, 347097793), (7, 198341596), (14, 99170798), (28, 49585399), (31, 44786812), (62, 22393406), (124, 11196703), (217, 6398116), (434, 3199058), (868, 1599529)]