861373045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{121577}}^1$

素因数の和:121704

約数の個数: 16

約数和(自身を含む): 1123380720

約数和(自身を除く): 262007675

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 121577, 607885, 1580501, 7902505, 13251893, 66259465, 172274609, 861373045]

約数ペア:

[(1, 861373045), (5, 172274609), (13, 66259465), (65, 13251893), (109, 7902505), (545, 1580501), (1417, 607885), (7085, 121577)]