2563015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 3902976

約数和(自身を除く): 1339961

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 131, 215, 301, 455, 559, 655, 917, 1505, 1703, 2795, 3913, 4585, 5633, 8515, 11921, 19565, 28165, 39431, 59605, 73229, 197155, 366145, 512603, 2563015]

約数ペア:

[(1, 2563015), (5, 512603), (7, 366145), (13, 197155), (35, 73229), (43, 59605), (65, 39431), (91, 28165), (131, 19565), (215, 11921), (301, 8515), (455, 5633), (559, 4585), (655, 3913), (917, 2795), (1505, 1703)]