690679145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{3613}}^1$

素因数の和:3821

約数の個数: 32

約数和(自身を含む): 950800032

約数和(自身を除く): 260120887

約数列:

[1, 5, 13, 17, 65, 85, 173, 221, 865, 1105, 2249, 2941, 3613, 11245, 14705, 18065, 38233, 46969, 61421, 191165, 234845, 307105, 625049, 798473, 3125245, 3992365, 8125637, 10625833, 40628185, 53129165, 138135829, 690679145]

約数ペア:

[(1, 690679145), (5, 138135829), (13, 53129165), (17, 40628185), (65, 10625833), (85, 8125637), (173, 3992365), (221, 3125245), (865, 798473), (1105, 625049), (2249, 307105), (2941, 234845), (3613, 191165), (11245, 61421), (14705, 46969), (18065, 38233)]