181856129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 233694720

約数和(自身を除く): 51838591

約数列:

[1, 7, 13, 29, 91, 137, 203, 377, 503, 959, 1781, 2639, 3521, 3973, 6539, 12467, 14587, 27811, 45773, 51649, 68911, 102109, 189631, 361543, 482377, 895843, 1327417, 1998419, 6270901, 13988933, 25979447, 181856129]

約数ペア:

[(1, 181856129), (7, 25979447), (13, 13988933), (29, 6270901), (91, 1998419), (137, 1327417), (203, 895843), (377, 482377), (503, 361543), (959, 189631), (1781, 102109), (2639, 68911), (3521, 51649), (3973, 45773), (6539, 27811), (12467, 14587)]