138487972

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{9833}}^1$

素因数の和:10347

約数の個数: 24

約数和(自身を含む): 277554816

約数和(自身を除く): 139066844

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 2012, 3521, 7042, 9833, 14084, 19666, 39332, 68831, 137662, 275324, 4945999, 9891998, 19783996, 34621993, 69243986, 138487972]

約数ペア:

[(1, 138487972), (2, 69243986), (4, 34621993), (7, 19783996), (14, 9891998), (28, 4945999), (503, 275324), (1006, 137662), (2012, 68831), (3521, 39332), (7042, 19666), (9833, 14084)]