138440945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{1979}}^1$

素因数の和:2824

約数の個数: 16

約数和(自身を含む): 176204160

約数和(自身を除く): 37763215

約数列:

[1, 5, 17, 85, 823, 1979, 4115, 9895, 13991, 33643, 69955, 168215, 1628717, 8143585, 27688189, 138440945]

約数ペア:

[(1, 138440945), (5, 27688189), (17, 8143585), (85, 1628717), (823, 168215), (1979, 69955), (4115, 33643), (9895, 13991)]