39490256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 82781160

約数和(自身を除く): 43290904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 373, 509, 746, 1018, 1492, 2036, 2984, 4072, 4849, 5968, 6617, 8144, 9698, 13234, 19396, 26468, 38792, 52936, 77584, 105872, 189857, 379714, 759428, 1518856, 2468141, 3037712, 4936282, 9872564, 19745128, 39490256]

約数ペア:

[(1, 39490256), (2, 19745128), (4, 9872564), (8, 4936282), (13, 3037712), (16, 2468141), (26, 1518856), (52, 759428), (104, 379714), (208, 189857), (373, 105872), (509, 77584), (746, 52936), (1018, 38792), (1492, 26468), (2036, 19396), (2984, 13234), (4072, 9698), (4849, 8144), (5968, 6617)]