138598901

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3631}}^1$

素因数の和:3705

約数の個数: 24

約数和(自身を含む): 173900160

約数和(自身を除く): 35301259

約数列:

[1, 7, 19, 41, 49, 133, 287, 779, 931, 2009, 3631, 5453, 25417, 38171, 68989, 148871, 177919, 482923, 1042097, 2828549, 3380461, 7294679, 19799843, 138598901]

約数ペア:

[(1, 138598901), (7, 19799843), (19, 7294679), (41, 3380461), (49, 2828549), (133, 1042097), (287, 482923), (779, 177919), (931, 148871), (2009, 68989), (3631, 38171), (5453, 25417)]