221121713735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{19664003}}^1$

素因数の和:19664194

約数の個数: 16

約数和(自身を含む): 287409082464

約数和(自身を除く): 66287368729

約数列:

[1, 5, 13, 65, 173, 865, 2249, 11245, 19664003, 98320015, 255632039, 1278160195, 3401872519, 17009362595, 44224342747, 221121713735]

約数ペア:

[(1, 221121713735), (5, 44224342747), (13, 17009362595), (65, 3401872519), (173, 1278160195), (865, 255632039), (2249, 98320015), (11245, 19664003)]