1782016145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{19681}}^1$

素因数の和:19905

約数の個数: 32

約数和(自身を含む): 2645260800

約数和(自身を除く): 863244655

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 995, 1393, 2587, 6965, 12935, 18109, 19681, 90545, 98405, 137767, 255853, 688835, 1279265, 1790971, 3916519, 8954855, 19582595, 27415633, 50914747, 137078165, 254573735, 356403229, 1782016145]

約数ペア:

[(1, 1782016145), (5, 356403229), (7, 254573735), (13, 137078165), (35, 50914747), (65, 27415633), (91, 19582595), (199, 8954855), (455, 3916519), (995, 1790971), (1393, 1279265), (2587, 688835), (6965, 255853), (12935, 137767), (18109, 98405), (19681, 90545)]