1989515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 2651616

約数和(自身を除く): 662101

約数列:

[1, 5, 11, 55, 61, 305, 593, 671, 2965, 3355, 6523, 32615, 36173, 180865, 397903, 1989515]

約数ペア:

[(1, 1989515), (5, 397903), (11, 180865), (55, 36173), (61, 32615), (305, 6523), (593, 3355), (671, 2965)]