81994816

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1139

約数の個数: 56

約数和(自身を含む): 173150784

約数和(自身を除く): 91155968

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 64, 92, 106, 184, 212, 368, 424, 736, 848, 1051, 1219, 1472, 1696, 2102, 2438, 3392, 4204, 4876, 8408, 9752, 16816, 19504, 24173, 33632, 39008, 48346, 55703, 67264, 78016, 96692, 111406, 193384, 222812, 386768, 445624, 773536, 891248, 1281169, 1547072, 1782496, 2562338, 3564992, 5124676, 10249352, 20498704, 40997408, 81994816]

約数ペア:

[(1, 81994816), (2, 40997408), (4, 20498704), (8, 10249352), (16, 5124676), (23, 3564992), (32, 2562338), (46, 1782496), (53, 1547072), (64, 1281169), (92, 891248), (106, 773536), (184, 445624), (212, 386768), (368, 222812), (424, 193384), (736, 111406), (848, 96692), (1051, 78016), (1219, 67264), (1472, 55703), (1696, 48346), (2102, 39008), (2438, 33632), (3392, 24173), (4204, 19504), (4876, 16816), (8408, 9752)]