15938377

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 20224512

約数和(自身を除く): 4286135

約数列:

[1, 7, 13, 49, 91, 131, 191, 637, 917, 1337, 1703, 2483, 6419, 9359, 11921, 17381, 25021, 83447, 121667, 175147, 325273, 1226029, 2276911, 15938377]

約数ペア:

[(1, 15938377), (7, 2276911), (13, 1226029), (49, 325273), (91, 175147), (131, 121667), (191, 83447), (637, 25021), (917, 17381), (1337, 11921), (1703, 9359), (2483, 6419)]