221799461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{641}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 245192640

約数和(自身を除く): 23393179

約数列:

[1, 13, 43, 559, 619, 641, 8047, 8333, 26617, 27563, 346021, 358319, 396779, 5158127, 17061497, 221799461]

約数ペア:

[(1, 221799461), (13, 17061497), (43, 5158127), (559, 396779), (619, 358319), (641, 346021), (8047, 27563), (8333, 26617)]