42221965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1979}}^1$

素因数の和:2252

約数の個数: 16

約数和(自身を含む): 53887680

約数和(自身を除く): 11665715

約数列:

[1, 5, 17, 85, 251, 1255, 1979, 4267, 9895, 21335, 33643, 168215, 496729, 2483645, 8444393, 42221965]

約数ペア:

[(1, 42221965), (5, 8444393), (17, 2483645), (85, 496729), (251, 168215), (1255, 33643), (1979, 21335), (4267, 9895)]