161252221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{15923}}^1$

素因数の和:15996

約数の個数: 16

約数和(自身を含む): 187266240

約数和(自身を除く): 26014019

約数列:

[1, 13, 19, 41, 247, 533, 779, 10127, 15923, 206999, 302537, 652843, 3932981, 8486959, 12404017, 161252221]

約数ペア:

[(1, 161252221), (13, 12404017), (19, 8486959), (41, 3932981), (247, 652843), (533, 302537), (779, 206999), (10127, 15923)]