638761317

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 894466560

約数和(自身を除く): 255705243

約数列:

[1, 3, 59, 61, 67, 177, 183, 201, 883, 2649, 3599, 3953, 4087, 10797, 11859, 12261, 52097, 53863, 59161, 156291, 161589, 177483, 241133, 723399, 3177917, 3490499, 3608821, 9533751, 10471497, 10826463, 212920439, 638761317]

約数ペア:

[(1, 638761317), (3, 212920439), (59, 10826463), (61, 10471497), (67, 9533751), (177, 3608821), (183, 3490499), (201, 3177917), (883, 723399), (2649, 241133), (3599, 177483), (3953, 161589), (4087, 156291), (10797, 59161), (11859, 53863), (12261, 52097)]