1997049605

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{120413}}^1$

素因数の和:120556

約数の個数: 16

約数和(自身を含む): 2496904704

約数和(自身を除く): 499855099

約数列:

[1, 5, 31, 107, 155, 535, 3317, 16585, 120413, 602065, 3732803, 12884191, 18664015, 64420955, 399409921, 1997049605]

約数ペア:

[(1, 1997049605), (5, 399409921), (31, 64420955), (107, 18664015), (155, 12884191), (535, 3732803), (3317, 602065), (16585, 120413)]