208189904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{14939}}^1$

素因数の和:15027

約数の個数: 40

約数和(自身を含む): 440909280

約数和(自身を除く): 232719376

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 14939, 29878, 59756, 119512, 194207, 239024, 388414, 776828, 1000913, 1553656, 2001826, 3107312, 4003652, 8007304, 13011869, 16014608, 26023738, 52047476, 104094952, 208189904]

約数ペア:

[(1, 208189904), (2, 104094952), (4, 52047476), (8, 26023738), (13, 16014608), (16, 13011869), (26, 8007304), (52, 4003652), (67, 3107312), (104, 2001826), (134, 1553656), (208, 1000913), (268, 776828), (536, 388414), (871, 239024), (1072, 194207), (1742, 119512), (3484, 59756), (6968, 29878), (13936, 14939)]