139978115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{28307}}^1$

素因数の和:28378

約数の個数: 16

約数和(自身を含む): 179359488

約数和(自身を除く): 39381373

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 28307, 141535, 651061, 1217201, 3255305, 6086005, 27995623, 139978115]

約数ペア:

[(1, 139978115), (5, 27995623), (23, 6086005), (43, 3255305), (115, 1217201), (215, 651061), (989, 141535), (4945, 28307)]