38861290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9643}}^1$

素因数の和:9694

約数の個数: 32

約数和(自身を含む): 77769216

約数和(自身を除く): 38907926

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 9643, 19286, 48215, 96430, 125359, 250718, 298933, 597866, 626795, 1253590, 1494665, 2989330, 3886129, 7772258, 19430645, 38861290]

約数ペア:

[(1, 38861290), (2, 19430645), (5, 7772258), (10, 3886129), (13, 2989330), (26, 1494665), (31, 1253590), (62, 626795), (65, 597866), (130, 298933), (155, 250718), (310, 125359), (403, 96430), (806, 48215), (2015, 19286), (4030, 9643)]