157213486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{21001}}^1$

素因数の和:21219

約数の個数: 16

約数和(自身を含む): 249503760

約数和(自身を除く): 92290274

約数列:

[1, 2, 19, 38, 197, 394, 3743, 7486, 21001, 42002, 399019, 798038, 4137197, 8274394, 78606743, 157213486]

約数ペア:

[(1, 157213486), (2, 78606743), (19, 8274394), (38, 4137197), (197, 798038), (394, 399019), (3743, 42002), (7486, 21001)]