42371990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 81134784

約数和(自身を除く): 38762794

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 281, 562, 887, 1405, 1774, 2810, 4435, 4777, 8870, 9554, 15079, 23885, 30158, 47770, 75395, 150790, 249247, 498494, 1246235, 2492470, 4237199, 8474398, 21185995, 42371990]

約数ペア:

[(1, 42371990), (2, 21185995), (5, 8474398), (10, 4237199), (17, 2492470), (34, 1246235), (85, 498494), (170, 249247), (281, 150790), (562, 75395), (887, 47770), (1405, 30158), (1774, 23885), (2810, 15079), (4435, 9554), (4777, 8870)]